11612808 has 40 divisors (see below), whose sum is σ = 32528430. Its totient is φ = 3870720.

The previous prime is 11612803. The next prime is 11612837. The reversal of 11612808 is 80821611.

It can be written as a sum of positive squares in only one way, i.e., 11573604 + 39204 = 3402^2 + 198^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612801) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8313 + ... + 9608.

Almost surely, 2^11612808 is an apocalyptic number.

11612808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11612808 is an abundant number, since it is smaller than the sum of its proper divisors (20915622).

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

11612808 is a wasteful number, since it uses less digits than its factorization.

11612808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17939 (or 17926 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 11612808 is about 3407.7570335926. The cubic root of 11612808 is about 226.4535232036.

It can be divided in two parts, 1161 and 2808, that added together give a square (3969 = 63²).

The spelling of 11612808 in words is "eleven million, six hundred twelve thousand, eight hundred eight".