11386836 has 18 divisors (see below), whose sum is σ = 28783482. Its totient is φ = 3795600.

The previous prime is 11386829. The next prime is 11386849. The reversal of 11386836 is 63868311.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 1838736 = 3090^2 + 1356^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 316301 = 11386836 / (1 + 1 + 3 + 8 + 6 + 8 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 11386836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158115 + ... + 158186.

Almost surely, 2^11386836 is an apocalyptic number.

It is an amenable number.

11386836 is an abundant number, since it is smaller than the sum of its proper divisors (17396646).

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

11386836 is a wasteful number, since it uses less digits than its factorization.

11386836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316311 (or 316306 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 11386836 is about 3374.4386199781. The cubic root of 11386836 is about 224.9750490851.

The spelling of 11386836 in words is "eleven million, three hundred eighty-six thousand, eight hundred thirty-six".