11785972 has 12 divisors (see below), whose sum is σ = 22500576. Its totient is φ = 5357240.

The previous prime is 11785951. The next prime is 11785979. The reversal of 11785972 is 27958711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11785979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133888 + ... + 133975.

It is an arithmetic number, because the mean of its divisors is an integer number (1875048).

Almost surely, 2^11785972 is an apocalyptic number.

It is an amenable number.

11785972 is a deficient number, since it is larger than the sum of its proper divisors (10714604).

11785972 is a wasteful number, since it uses less digits than its factorization.

11785972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267878 (or 267876 counting only the distinct ones).

The product of its digits is 35280, while the sum is 40.

The square root of 11785972 is about 3433.0703459149. The cubic root of 11785972 is about 227.5735591137.

It can be divided in two parts, 117859 and 72, that multiplied together give a palindrome (8485848).

The spelling of 11785972 in words is "eleven million, seven hundred eighty-five thousand, nine hundred seventy-two".