11972418 has 32 divisors (see below), whose sum is σ = 25099200. Its totient is φ = 3802176.

The previous prime is 11972407. The next prime is 11972459. The reversal of 11972418 is 81427911.

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 15 ways as a sum of consecutive naturals, for example, 14028 + ... + 14856.

It is an arithmetic number, because the mean of its divisors is an integer number (784350).

Almost surely, 2^11972418 is an apocalyptic number.

11972418 is an abundant number, since it is smaller than the sum of its proper divisors (13126782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11972418 is a wasteful number, since it uses less digits than its factorization.

11972418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 4032, while the sum is 33.

The square root of 11972418 is about 3460.1182060733. The cubic root of 11972418 is about 228.7673055676.

The spelling of 11972418 in words is "eleven million, nine hundred seventy-two thousand, four hundred eighteen".