13130972 has 6 divisors (see below), whose sum is σ = 22979208. Its totient is φ = 6565484.

The previous prime is 13130969. The next prime is 13130977. The reversal of 13130972 is 27903131.

13130972 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 not an unprimeable number, because it can be changed into a prime (13130977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641368 + ... + 1641375.

It is an arithmetic number, because the mean of its divisors is an integer number (3829868).

Almost surely, 2^13130972 is an apocalyptic number.

It is an amenable number.

13130972 is a deficient number, since it is larger than the sum of its proper divisors (9848236).

13130972 is a wasteful number, since it uses less digits than its factorization.

13130972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282747 (or 3282745 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 13130972 is about 3623.6683071164. The cubic root of 13130972 is about 235.9204701858.

The spelling of 13130972 in words is "thirteen million, one hundred thirty thousand, nine hundred seventy-two".