11725972 has 6 divisors (see below), whose sum is σ = 20520458. Its totient is φ = 5862984.

The previous prime is 11725963. The next prime is 11725981. The reversal of 11725972 is 27952711.

11725972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11725963) and next prime (11725981).

It can be written as a sum of positive squares in only one way, i.e., 7214596 + 4511376 = 2686^2 + 2124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465743 + ... + 1465750.

Almost surely, 2^11725972 is an apocalyptic number.

It is an amenable number.

11725972 is a deficient number, since it is larger than the sum of its proper divisors (8794486).

11725972 is a wasteful number, since it uses less digits than its factorization.

11725972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931497 (or 2931495 counting only the distinct ones).

The product of its digits is 8820, while the sum is 34.

The square root of 11725972 is about 3424.3206625548. The cubic root of 11725972 is about 227.1867249484.

The spelling of 11725972 in words is "eleven million, seven hundred twenty-five thousand, nine hundred seventy-two".