13040972 has 24 divisors (see below), whose sum is σ = 27617184. Its totient is φ = 5260032.

The previous prime is 13040959. The next prime is 13041001. The reversal of 13040972 is 27904031.

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, 13223 + ... + 14174.

It is an arithmetic number, because the mean of its divisors is an integer number (1150716).

Almost surely, 2^13040972 is an apocalyptic number.

It is an amenable number.

13040972 is an abundant number, since it is smaller than the sum of its proper divisors (14576212).

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

13040972 is a wasteful number, since it uses less digits than its factorization.

13040972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27425 (or 27423 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13040972 is about 3611.2285997981. The cubic root of 13040972 is about 235.3802324939.

The spelling of 13040972 in words is "thirteen million, forty thousand, nine hundred seventy-two".