11977456 has 20 divisors (see below), whose sum is σ = 23554792. Its totient is φ = 5898816.

The previous prime is 11977451. The next prime is 11977519. The reversal of 11977456 is 65477911.

11977456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977451) 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, 4515 + ... + 6658.

Almost surely, 2^11977456 is an apocalyptic number.

11977456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11977456 is a deficient number, since it is larger than the sum of its proper divisors (11577336).

11977456 is a wasteful number, since it uses less digits than its factorization.

11977456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248 (or 11242 counting only the distinct ones).

The product of its digits is 52920, while the sum is 40.

The square root of 11977456 is about 3460.8461393133. The cubic root of 11977456 is about 228.7993895366.

The spelling of 11977456 in words is "eleven million, nine hundred seventy-seven thousand, four hundred fifty-six".