11345872 has 10 divisors (see below), whose sum is σ = 21982658. Its totient is φ = 5672928.

The previous prime is 11345857. The next prime is 11345881. The reversal of 11345872 is 27854311.

It can be written as a sum of positive squares in only one way, i.e., 7974976 + 3370896 = 2824^2 + 1836^2 .

It is a super-2 number, since 2×11345872² = 257457622880768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354543 + ... + 354574.

Almost surely, 2^11345872 is an apocalyptic number.

It is an amenable number.

11345872 is a deficient number, since it is larger than the sum of its proper divisors (10636786).

11345872 is an equidigital number, since it uses as much as digits as its factorization.

11345872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709125 (or 709119 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 11345872 is about 3368.3634008224. The cubic root of 11345872 is about 224.7049432838.

The spelling of 11345872 in words is "eleven million, three hundred forty-five thousand, eight hundred seventy-two".