11872715 has 16 divisors (see below), whose sum is σ = 15743808. Its totient is φ = 8549376.

The previous prime is 11872711. The next prime is 11872723. The reversal of 11872715 is 51727811.

11872715 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11872715 - 2² = 11872711 is a prime.

It is a super-2 number, since 2×11872715² = 281922722942450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11872711) by changing a digit.

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, 1082 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (983988).

Almost surely, 2^11872715 is an apocalyptic number.

11872715 is a deficient number, since it is larger than the sum of its proper divisors (3871093).

11872715 is a wasteful number, since it uses less digits than its factorization.

11872715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6118.

The product of its digits is 3920, while the sum is 32.

The square root of 11872715 is about 3445.6806294258. The cubic root of 11872715 is about 228.1304975219.

The spelling of 11872715 in words is "eleven million, eight hundred seventy-two thousand, seven hundred fifteen".