11388136 has 16 divisors (see below), whose sum is σ = 21450240. Its totient is φ = 5668080.

The previous prime is 11388127. The next prime is 11388137. The reversal of 11388136 is 63188311.

11388136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11388098 and 11388107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11388137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^11388136 is an apocalyptic number.

It is an amenable number.

11388136 is a deficient number, since it is larger than the sum of its proper divisors (10062104).

11388136 is a wasteful number, since it uses less digits than its factorization.

11388136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504 (or 6500 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 11388136 is about 3374.6312391134. The cubic root of 11388136 is about 224.9836103288.

The spelling of 11388136 in words is "eleven million, three hundred eighty-eight thousand, one hundred thirty-six".