11938560 has 72 divisors (see below), whose sum is σ = 38141040. Its totient is φ = 3182592.

The previous prime is 11938547. The next prime is 11938561. The reversal of 11938560 is 6583911.

It is not an unprimeable number, because it can be changed into a prime (11938561) 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, 2286 + ... + 5394.

Almost surely, 2^11938560 is an apocalyptic number.

11938560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11938560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19070520).

11938560 is an abundant number, since it is smaller than the sum of its proper divisors (26202480).

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

11938560 is an equidigital number, since it uses as much as digits as its factorization.

11938560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 11938560 is about 3455.2221346825. Note that the first 3 decimals coincide. The cubic root of 11938560 is about 228.5514506349.

The spelling of 11938560 in words is "eleven million, nine hundred thirty-eight thousand, five hundred sixty".