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13069212 = 2231383777
BaseRepresentation
bin110001110110…
…101110011100
3220120222120220
4301312232130
511321203322
61144041340
7216041442
oct61665634
926528526
1013069212
117417102
124463250
132927880
141a42b92
15123255c
hexc76b9c

13069212 has 24 divisors (see below), whose sum is σ = 32840976. Its totient is φ = 4021248.

The previous prime is 13069211. The next prime is 13069219. The reversal of 13069212 is 21296031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13069211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41733 + ... + 42044.

It is an arithmetic number, because the mean of its divisors is an integer number (1368374).

Almost surely, 213069212 is an apocalyptic number.

13069212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13069212 is an abundant number, since it is smaller than the sum of its proper divisors (19771764).

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

13069212 is a wasteful number, since it uses less digits than its factorization.

13069212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83797 (or 83795 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13069212 is about 3615.1365119453. The cubic root of 13069212 is about 235.5500139448.

The spelling of 13069212 in words is "thirteen million, sixty-nine thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 83777 167554 251331 335108 502662 1005324 1089101 2178202 3267303 4356404 6534606 13069212