11988375 has 32 divisors (see below), whose sum is σ = 22803456. Its totient is φ = 5479200.

The previous prime is 11988367. The next prime is 11988401. The reversal of 11988375 is 57388911.

It is not a de Polignac number, because 11988375 - 2³ = 11988367 is a prime.

It is a super-2 number, since 2×11988375² = 287442270281250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342 + ... + 4908.

It is an arithmetic number, because the mean of its divisors is an integer number (712608).

Almost surely, 2^11988375 is an apocalyptic number.

11988375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11988375 is a deficient number, since it is larger than the sum of its proper divisors (10815081).

11988375 is an equidigital number, since it uses as much as digits as its factorization.

11988375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592 (or 4582 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 11988375 is about 3462.4232843487. The cubic root of 11988375 is about 228.8688951633.

The spelling of 11988375 in words is "eleven million, nine hundred eighty-eight thousand, three hundred seventy-five".