11864715 has 16 divisors (see below), whose sum is σ = 19074048. Its totient is φ = 6297696.

The previous prime is 11864687. The next prime is 11864717. The reversal of 11864715 is 51746811.

It is a happy number.

It is not a de Polignac number, because 11864715 - 2⁸ = 11864459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11864717) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1572 + ... + 5118.

It is an arithmetic number, because the mean of its divisors is an integer number (1192128).

Almost surely, 2^11864715 is an apocalyptic number.

11864715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11864715 is a deficient number, since it is larger than the sum of its proper divisors (7209333).

11864715 is a wasteful number, since it uses less digits than its factorization.

11864715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778.

The product of its digits is 6720, while the sum is 33.

The square root of 11864715 is about 3444.5195601128. The cubic root of 11864715 is about 228.0792468448.

The spelling of 11864715 in words is "eleven million, eight hundred sixty-four thousand, seven hundred fifteen".