11978576 has 20 divisors (see below), whose sum is σ = 23352672. Its totient is φ = 5952096.

The previous prime is 11978573. The next prime is 11978579. The reversal of 11978576 is 67587911.

11978576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11978573) and next prime (11978579).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11978573) 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, 431 + ... + 4913.

Almost surely, 2^11978576 is an apocalyptic number.

11978576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11978576 is a deficient number, since it is larger than the sum of its proper divisors (11374096).

11978576 is a wasteful number, since it uses less digits than its factorization.

11978576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658 (or 4652 counting only the distinct ones).

The product of its digits is 105840, while the sum is 44.

The square root of 11978576 is about 3461.0079456713. The cubic root of 11978576 is about 228.8065209154.

The spelling of 11978576 in words is "eleven million, nine hundred seventy-eight thousand, five hundred seventy-six".