11870972 has 24 divisors (see below), whose sum is σ = 22083600. Its totient is φ = 5567616.

The previous prime is 11870951. The next prime is 11870983. The reversal of 11870972 is 27907811.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7568 + ... + 9000.

It is an arithmetic number, because the mean of its divisors is an integer number (920150).

Almost surely, 2^11870972 is an apocalyptic number.

It is an amenable number.

11870972 is a deficient number, since it is larger than the sum of its proper divisors (10212628).

11870972 is a wasteful number, since it uses less digits than its factorization.

11870972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 11870972 is about 3445.4276947862. The cubic root of 11870972 is about 228.1193332426.

The spelling of 11870972 in words is "eleven million, eight hundred seventy thousand, nine hundred seventy-two".