11636874 has 36 divisors (see below), whose sum is σ = 26795574. Its totient is φ = 3649152.

The previous prime is 11636869. The next prime is 11636879. The reversal of 11636874 is 47863611.

11636874 is a `hidden beast` number, since 11 + 636 + 8 + 7 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (11636869) and next prime (11636879).

It can be written as a sum of positive squares in 3 ways, for example, as 11594025 + 42849 = 3405^2 + 207^2 .

It is not an unprimeable number, because it can be changed into a prime (11636879) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4084 + ... + 6320.

Almost surely, 2^11636874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11636874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13397787).

11636874 is an abundant number, since it is smaller than the sum of its proper divisors (15158700).

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

11636874 is a wasteful number, since it uses less digits than its factorization.

11636874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2259 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 11636874 is about 3411.2862676709. The cubic root of 11636874 is about 226.6098468690.

The spelling of 11636874 in words is "eleven million, six hundred thirty-six thousand, eight hundred seventy-four".