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1201313 = 19232749
BaseRepresentation
bin100100101010010100001
32021000220002
410211102201
5301420223
641425345
713132241
oct4452241
92230802
101201313
11750623
1249b255
13330a49
14233b21
1518ae28
hex1254a1

1201313 has 8 divisors (see below), whose sum is σ = 1320000. Its totient is φ = 1088208.

The previous prime is 1201309. The next prime is 1201327. The reversal of 1201313 is 3131021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201313 - 22 = 1201309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201294 and 1201303.

It is not an unprimeable number, because it can be changed into a prime (1201513) 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, 938 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (165000).

21201313 is an apocalyptic number.

It is an amenable number.

1201313 is a deficient number, since it is larger than the sum of its proper divisors (118687).

1201313 is a wasteful number, since it uses less digits than its factorization.

1201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1201313 is about 1096.0442509315. The cubic root of 1201313 is about 106.3046003106.

Adding to 1201313 its reverse (3131021), we get a palindrome (4332334).

The spelling of 1201313 in words is "one million, two hundred one thousand, three hundred thirteen".

Divisors: 1 19 23 437 2749 52231 63227 1201313