11712918 has 16 divisors (see below), whose sum is σ = 26772480. Its totient is φ = 3346536.

The previous prime is 11712901. The next prime is 11712929. The reversal of 11712918 is 81921711.

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, 139398 + ... + 139481.

It is an arithmetic number, because the mean of its divisors is an integer number (1673280).

Almost surely, 2^11712918 is an apocalyptic number.

11712918 is an abundant number, since it is smaller than the sum of its proper divisors (15059562).

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

11712918 is a wasteful number, since it uses less digits than its factorization.

11712918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278891.

The product of its digits is 1008, while the sum is 30.

The square root of 11712918 is about 3422.4140602797. The cubic root of 11712918 is about 227.1023880390.

The spelling of 11712918 in words is "eleven million, seven hundred twelve thousand, nine hundred eighteen".