13129004 has 12 divisors (see below), whose sum is σ = 26258064. Its totient is φ = 5626704.

The previous prime is 13128991. The next prime is 13129063. The reversal of 13129004 is 40092131.

13129004 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234419 + ... + 234474.

It is an arithmetic number, because the mean of its divisors is an integer number (2188172).

Almost surely, 2^13129004 is an apocalyptic number.

13129004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13129004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13129004 is a wasteful number, since it uses less digits than its factorization.

13129004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468904 (or 468902 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13129004 is about 3623.3967489084. The cubic root of 13129004 is about 235.9086834300.

The spelling of 13129004 in words is "thirteen million, one hundred twenty-nine thousand, four".