11812836 has 24 divisors (see below), whose sum is σ = 31501120. Its totient is φ = 3375072.

The previous prime is 11812819. The next prime is 11812849. The reversal of 11812836 is 63821811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70231 + ... + 70398.

Almost surely, 2^11812836 is an apocalyptic number.

It is an amenable number.

11812836 is an abundant number, since it is smaller than the sum of its proper divisors (19688284).

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

11812836 is a wasteful number, since it uses less digits than its factorization.

11812836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140643 (or 140641 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 11812836 is about 3436.9806516767. The cubic root of 11812836 is about 227.7463322224.

The spelling of 11812836 in words is "eleven million, eight hundred twelve thousand, eight hundred thirty-six".