11664015 has 32 divisors (see below), whose sum is σ = 20514816. Its totient is φ = 5612160.

The previous prime is 11663983. The next prime is 11664017. The reversal of 11664015 is 51046611.

11664015 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 11664015 - 2⁵ = 11663983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36637 + ... + 36953.

It is an arithmetic number, because the mean of its divisors is an integer number (641088).

Almost surely, 2^11664015 is an apocalyptic number.

11664015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11664015 is a deficient number, since it is larger than the sum of its proper divisors (8850801).

11664015 is a wasteful number, since it uses less digits than its factorization.

11664015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11664015 is about 3415.2620690073. The cubic root of 11664015 is about 226.7858861972.

The spelling of 11664015 in words is "eleven million, six hundred sixty-four thousand, fifteen".