11718872 has 16 divisors (see below), whose sum is σ = 23970600. Its totient is φ = 5326720.

The previous prime is 11718859. The next prime is 11718901. The reversal of 11718872 is 27881711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66497 + ... + 66672.

Almost surely, 2^11718872 is an apocalyptic number.

It is an amenable number.

11718872 is an abundant number, since it is smaller than the sum of its proper divisors (12251728).

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

11718872 is a wasteful number, since it uses less digits than its factorization.

11718872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133186 (or 133182 counting only the distinct ones).

The product of its digits is 6272, while the sum is 35.

The square root of 11718872 is about 3423.2838036014. The cubic root of 11718872 is about 227.1408623278.

The spelling of 11718872 in words is "eleven million, seven hundred eighteen thousand, eight hundred seventy-two".