11973456 has 60 divisors (see below), whose sum is σ = 36560160. Its totient is φ = 3627840.

The previous prime is 11973443. The next prime is 11973461. The reversal of 11973456 is 65437911.

11973456 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11973456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2196 + ... + 5363.

It is an arithmetic number, because the mean of its divisors is an integer number (609336).

Almost surely, 2^11973456 is an apocalyptic number.

11973456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11973456 is an abundant number, since it is smaller than the sum of its proper divisors (24586704).

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

11973456 is a wasteful number, since it uses less digits than its factorization.

11973456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7584 (or 7575 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 11973456 is about 3460.2681976980. The cubic root of 11973456 is about 228.7739166967.

The spelling of 11973456 in words is "eleven million, nine hundred seventy-three thousand, four hundred fifty-six".