13129712 has 20 divisors (see below), whose sum is σ = 26935776. Its totient is φ = 6178560.

The previous prime is 13129693. The next prime is 13129747. The reversal of 13129712 is 21792131.

13129712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 23864 + ... + 24407.

Almost surely, 2^13129712 is an apocalyptic number.

It is an amenable number.

13129712 is an abundant number, since it is smaller than the sum of its proper divisors (13806064).

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

13129712 is a wasteful number, since it uses less digits than its factorization.

13129712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48296 (or 48290 counting only the distinct ones).

The product of its digits is 756, while the sum is 26.

The square root of 13129712 is about 3623.4944459734. The cubic root of 13129712 is about 235.9129239229.

The spelling of 13129712 in words is "thirteen million, one hundred twenty-nine thousand, seven hundred twelve".