13045972 has 12 divisors (see below), whose sum is σ = 23171680. Its totient is φ = 6425496.

The previous prime is 13045961. The next prime is 13045997. The reversal of 13045972 is 27954031.

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, 24072 + ... + 24607.

Almost surely, 2^13045972 is an apocalyptic number.

It is an amenable number.

13045972 is a deficient number, since it is larger than the sum of its proper divisors (10125708).

13045972 is a wasteful number, since it uses less digits than its factorization.

13045972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48750 (or 48748 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13045972 is about 3611.9208186227. The cubic root of 13045972 is about 235.4103107933.

The spelling of 13045972 in words is "thirteen million, forty-five thousand, nine hundred seventy-two".