11827836 has 24 divisors (see below), whose sum is σ = 30665040. Its totient is φ = 3942576.

The previous prime is 11827831. The next prime is 11827841. The reversal of 11827836 is 63872811.

It is an interprime number because it is at equal distance from previous prime (11827831) and next prime (11827841).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11827836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11827831) 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, 54651 + ... + 54866.

It is an arithmetic number, because the mean of its divisors is an integer number (1277710).

Almost surely, 2^11827836 is an apocalyptic number.

It is an amenable number.

11827836 is an abundant number, since it is smaller than the sum of its proper divisors (18837204).

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

11827836 is a wasteful number, since it uses less digits than its factorization.

11827836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109530 (or 109522 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 11827836 is about 3439.1621072581. The cubic root of 11827836 is about 227.8426892709.

The spelling of 11827836 in words is "eleven million, eight hundred twenty-seven thousand, eight hundred thirty-six".