11612990 has 16 divisors (see below), whose sum is σ = 22003920. Its totient is φ = 4400640.

The previous prime is 11612977. The next prime is 11613011. The reversal of 11612990 is 9921611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30371 + ... + 30750.

It is an arithmetic number, because the mean of its divisors is an integer number (1375245).

Almost surely, 2^11612990 is an apocalyptic number.

11612990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11612990 is a deficient number, since it is larger than the sum of its proper divisors (10390930).

11612990 is a wasteful number, since it uses less digits than its factorization.

11612990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61147.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 11612990 is about 3407.7837372697. The cubic root of 11612990 is about 226.4547062171.

The spelling of 11612990 in words is "eleven million, six hundred twelve thousand, nine hundred ninety".