11990976 has 84 divisors (see below), whose sum is σ = 33677352. Its totient is φ = 3764736.

The previous prime is 11990971. The next prime is 11990987. The reversal of 11990976 is 67909911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69226 + ... + 69398.

Almost surely, 2^11990976 is an apocalyptic number.

11990976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11990976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16838676).

11990976 is an abundant number, since it is smaller than the sum of its proper divisors (21686376).

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

11990976 is a wasteful number, since it uses less digits than its factorization.

11990976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 11990976 is about 3462.7988679679. The cubic root of 11990976 is about 228.8854457786.

The spelling of 11990976 in words is "eleven million, nine hundred ninety thousand, nine hundred seventy-six".