11990456 has 16 divisors (see below), whose sum is σ = 23257800. Its totient is φ = 5788384.

The previous prime is 11990453. The next prime is 11990467. The reversal of 11990456 is 65409911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25610 + ... + 26073.

Almost surely, 2^11990456 is an apocalyptic number.

It is an amenable number.

11990456 is a deficient number, since it is larger than the sum of its proper divisors (11267344).

11990456 is a wasteful number, since it uses less digits than its factorization.

11990456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51718 (or 51714 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 11990456 is about 3462.7237833821. The cubic root of 11990456 is about 228.8821371196.

The spelling of 11990456 in words is "eleven million, nine hundred ninety thousand, four hundred fifty-six".