13129044 has 24 divisors (see below), whose sum is σ = 31967040. Its totient is φ = 4185984.

The previous prime is 13128991. The next prime is 13129063. The reversal of 13129044 is 44092131.

It is a nialpdrome in base 16.

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, 23509 + ... + 24060.

It is an arithmetic number, because the mean of its divisors is an integer number (1331960).

Almost surely, 2^13129044 is an apocalyptic number.

It is an amenable number.

13129044 is an abundant number, since it is smaller than the sum of its proper divisors (18837996).

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

13129044 is a wasteful number, since it uses less digits than its factorization.

13129044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47599 (or 47597 counting only the distinct ones).

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

The square root of 13129044 is about 3623.4022685868. The cubic root of 13129044 is about 235.9089230099.

The spelling of 13129044 in words is "thirteen million, one hundred twenty-nine thousand, forty-four".