11972318 has 32 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 5201280.

The previous prime is 11972309. The next prime is 11972321. The reversal of 11972318 is 81327911.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27563 + ... + 27993.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^11972318 is an apocalyptic number.

11972318 is a deficient number, since it is larger than the sum of its proper divisors (8556322).

11972318 is a wasteful number, since it uses less digits than its factorization.

11972318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its digits is 3024, while the sum is 32.

The square root of 11972318 is about 3460.1037556698. The cubic root of 11972318 is about 228.7666686371.

The spelling of 11972318 in words is "eleven million, nine hundred seventy-two thousand, three hundred eighteen".