11538740 has 48 divisors (see below), whose sum is σ = 25132800. Its totient is φ = 4447872.

The previous prime is 11538739. The next prime is 11538763. The reversal of 11538740 is 4783511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105806 + ... + 105914.

It is an arithmetic number, because the mean of its divisors is an integer number (523600).

Almost surely, 2^11538740 is an apocalyptic number.

11538740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11538740 is an abundant number, since it is smaller than the sum of its proper divisors (13594060).

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

11538740 is a wasteful number, since it uses less digits than its factorization.

11538740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 11538740 is about 3396.8720906151. The cubic root of 11538740 is about 225.9710459683.

The spelling of 11538740 in words is "eleven million, five hundred thirty-eight thousand, seven hundred forty".