11538012 has 24 divisors (see below), whose sum is σ = 26989200. Its totient is φ = 3836416.

The previous prime is 11537993. The next prime is 11538013. The reversal of 11538012 is 21083511.

It is a self number, because there is not a number n which added to its sum of digits gives 11538012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538013) 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, 5164 + ... + 7052.

It is an arithmetic number, because the mean of its divisors is an integer number (1124550).

Almost surely, 2^11538012 is an apocalyptic number.

11538012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11538012 is an abundant number, since it is smaller than the sum of its proper divisors (15451188).

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

11538012 is a wasteful number, since it uses less digits than its factorization.

11538012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11538012 is about 3396.7649315194. The cubic root of 11538012 is about 225.9662935609.

The spelling of 11538012 in words is "eleven million, five hundred thirty-eight thousand, twelve".