11889372 has 24 divisors (see below), whose sum is σ = 30264192. Its totient is φ = 3602800.

The previous prime is 11889343. The next prime is 11889373. The reversal of 11889372 is 27398811.

It is a self number, because there is not a number n which added to its sum of digits gives 11889372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11889373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44904 + ... + 45167.

It is an arithmetic number, because the mean of its divisors is an integer number (1261008).

Almost surely, 2^11889372 is an apocalyptic number.

11889372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11889372 is an abundant number, since it is smaller than the sum of its proper divisors (18374820).

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

11889372 is a wasteful number, since it uses less digits than its factorization.

11889372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90089 (or 90087 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 11889372 is about 3448.0968663888. The cubic root of 11889372 is about 228.2371340131.

The spelling of 11889372 in words is "eleven million, eight hundred eighty-nine thousand, three hundred seventy-two".