11505872 has 40 divisors (see below), whose sum is σ = 26980416. Its totient is φ = 4640256.

The previous prime is 11505869. The next prime is 11505877. The reversal of 11505872 is 27850511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11505877) 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 7 ways as a sum of consecutive naturals, for example, 1118 + ... + 4925.

Almost surely, 2^11505872 is an apocalyptic number.

It is an amenable number.

11505872 is an abundant number, since it is smaller than the sum of its proper divisors (15474544).

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

11505872 is a wasteful number, since it uses less digits than its factorization.

11505872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075 (or 6069 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 11505872 is about 3392.0306602388. The cubic root of 11505872 is about 225.7562830728.

The spelling of 11505872 in words is "eleven million, five hundred five thousand, eight hundred seventy-two".