11713972 has 12 divisors (see below), whose sum is σ = 20661760. Its totient is φ = 5810616.

The previous prime is 11713943. The next prime is 11713981. The reversal of 11713972 is 27931711.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 11022 + ... + 12037.

Almost surely, 2^11713972 is an apocalyptic number.

It is an amenable number.

11713972 is a deficient number, since it is larger than the sum of its proper divisors (8947788).

11713972 is a wasteful number, since it uses less digits than its factorization.

11713972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23190 (or 23188 counting only the distinct ones).

The product of its digits is 2646, while the sum is 31.

The square root of 11713972 is about 3422.5680416903. The cubic root of 11713972 is about 227.1091998554.

The spelling of 11713972 in words is "eleven million, seven hundred thirteen thousand, nine hundred seventy-two".