12902013 has 12 divisors (see below), whose sum is σ = 19279260. Its totient is φ = 8304576.

The previous prime is 12901981. The next prime is 12902033. The reversal of 12902013 is 31020921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7717284 + 5184729 = 2778^2 + 2277^2 .

It is not a de Polignac number, because 12902013 - 2⁵ = 12901981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24456 + ... + 24977.

It is an arithmetic number, because the mean of its divisors is an integer number (1606605).

Almost surely, 2^12902013 is an apocalyptic number.

It is an amenable number.

12902013 is a deficient number, since it is larger than the sum of its proper divisors (6377247).

12902013 is a wasteful number, since it uses less digits than its factorization.

12902013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49468 (or 49465 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 12902013 is about 3591.9372210550. The cubic root of 12902013 is about 234.5412083978.

Adding to 12902013 its reverse (31020921), we get a palindrome (43922934).

The spelling of 12902013 in words is "twelve million, nine hundred two thousand, thirteen".