13009972 has 12 divisors (see below), whose sum is σ = 23153760. Its totient is φ = 6394616.

The previous prime is 13009967. The next prime is 13010047. The reversal of 13009972 is 27990031.

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, 27328 + ... + 27799.

It is an arithmetic number, because the mean of its divisors is an integer number (1929480).

Almost surely, 2^13009972 is an apocalyptic number.

It is an amenable number.

13009972 is a deficient number, since it is larger than the sum of its proper divisors (10143788).

13009972 is a wasteful number, since it uses less digits than its factorization.

13009972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55190 (or 55188 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 13009972 is about 3606.9338779634. The cubic root of 13009972 is about 235.1935752252.

The spelling of 13009972 in words is "thirteen million, nine thousand, nine hundred seventy-two".