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1252212 = 2231323349
BaseRepresentation
bin100110001101101110100
32100121201020
410301231310
5310032322
642501140
713433523
oct4615564
92317636
101252212
11785895
125047b0
1334ac70
142484ba
1519b05c
hex131b74

1252212 has 48 divisors (see below), whose sum is σ = 3292800. Its totient is φ = 367488.

The previous prime is 1252211. The next prime is 1252217. The reversal of 1252212 is 2122521.

It is a junction number, because it is equal to n+sod(n) for n = 1252191 and 1252200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3414 + ... + 3762.

It is an arithmetic number, because the mean of its divisors is an integer number (68600).

21252212 is an apocalyptic number.

1252212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646400).

1252212 is an abundant number, since it is smaller than the sum of its proper divisors (2040588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252212 is a wasteful number, since it uses less digits than its factorization.

1252212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its digits is 80, while the sum is 15.

The square root of 1252212 is about 1119.0227879717. The cubic root of 1252212 is about 107.7852385179.

Adding to 1252212 its reverse (2122521), we get a palindrome (3374733).

The spelling of 1252212 in words is "one million, two hundred fifty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 138 156 276 299 349 598 698 897 1047 1196 1396 1794 2094 3588 4188 4537 8027 9074 13611 16054 18148 24081 27222 32108 48162 54444 96324 104351 208702 313053 417404 626106 1252212