11391372 has 36 divisors (see below), whose sum is σ = 29069040. Its totient is φ = 3760992.

The previous prime is 11391361. The next prime is 11391383. The reversal of 11391372 is 27319311.

11391372 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11391361) and next prime (11391383).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2473 + ... + 5375.

Almost surely, 2^11391372 is an apocalyptic number.

11391372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11391372 is an abundant number, since it is smaller than the sum of its proper divisors (17677668).

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

11391372 is a wasteful number, since it uses less digits than its factorization.

11391372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3017 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 11391372 is about 3375.1106648523. The cubic root of 11391372 is about 225.0049184110.

The spelling of 11391372 in words is "eleven million, three hundred ninety-one thousand, three hundred seventy-two".