11309872 has 20 divisors (see below), whose sum is σ = 25043536. Its totient is φ = 4847040.

The previous prime is 11309869. The next prime is 11309873. The reversal of 11309872 is 27890311.

It is not an unprimeable number, because it can be changed into a prime (11309873) 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, 50379 + ... + 50602.

Almost surely, 2^11309872 is an apocalyptic number.

It is an amenable number.

11309872 is an abundant number, since it is smaller than the sum of its proper divisors (13733664).

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

11309872 is a wasteful number, since it uses less digits than its factorization.

11309872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100996 (or 100990 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11309872 is about 3363.0153136731. The cubic root of 11309872 is about 224.4670315326.

The spelling of 11309872 in words is "eleven million, three hundred nine thousand, eight hundred seventy-two".