12913044 has 24 divisors (see below), whose sum is σ = 30582048. Its totient is φ = 4239840.

The previous prime is 12913039. The next prime is 12913123. The reversal of 12913044 is 44031921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7227 + ... + 8834.

It is an arithmetic number, because the mean of its divisors is an integer number (1274252).

Almost surely, 2^12913044 is an apocalyptic number.

It is an amenable number.

12913044 is an abundant number, since it is smaller than the sum of its proper divisors (17669004).

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

12913044 is a wasteful number, since it uses less digits than its factorization.

12913044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16135 (or 16133 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12913044 is about 3593.4724153665. The cubic root of 12913044 is about 234.6080322615.

Adding to 12913044 its reverse (44031921), we get a palindrome (56944965).

The spelling of 12913044 in words is "twelve million, nine hundred thirteen thousand, forty-four".