11872544 has 24 divisors (see below), whose sum is σ = 23451120. Its totient is φ = 5916736.

The previous prime is 11872543. The next prime is 11872547. The reversal of 11872544 is 44527811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 11872544.

It is not an unprimeable number, because it can be changed into a prime (11872543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17687 + ... + 18345.

It is an arithmetic number, because the mean of its divisors is an integer number (977130).

Almost surely, 2^11872544 is an apocalyptic number.

It is an amenable number.

11872544 is a deficient number, since it is larger than the sum of its proper divisors (11578576).

11872544 is an equidigital number, since it uses as much as digits as its factorization.

11872544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1224 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 11872544 is about 3445.6558156612. The cubic root of 11872544 is about 228.1294022795.

The spelling of 11872544 in words is "eleven million, eight hundred seventy-two thousand, five hundred forty-four".