11519972 has 24 divisors (see below), whose sum is σ = 21165312. Its totient is φ = 5479200.

The previous prime is 11519971. The next prime is 11519983. The reversal of 11519972 is 27991511.

It is not an unprimeable number, because it can be changed into a prime (11519971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6803 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (881888).

Almost surely, 2^11519972 is an apocalyptic number.

It is an amenable number.

11519972 is a deficient number, since it is larger than the sum of its proper divisors (9645340).

11519972 is a wasteful number, since it uses less digits than its factorization.

11519972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1617 counting only the distinct ones).

The product of its digits is 5670, while the sum is 35.

The square root of 11519972 is about 3394.1084249034. The cubic root of 11519972 is about 225.8484639521.

The spelling of 11519972 in words is "eleven million, five hundred nineteen thousand, nine hundred seventy-two".