11973560 has 32 divisors (see below), whose sum is σ = 27164160. Its totient is φ = 4749696.

The previous prime is 11973551. The next prime is 11973571. The reversal of 11973560 is 6537911.

It is a super-2 number, since 2×11973560² = 286732278147200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3902 + ... + 6258.

It is an arithmetic number, because the mean of its divisors is an integer number (848880).

Almost surely, 2^11973560 is an apocalyptic number.

11973560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11973560 is an abundant number, since it is smaller than the sum of its proper divisors (15190600).

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

11973560 is a wasteful number, since it uses less digits than its factorization.

11973560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 11973560 is about 3460.2832254022. The cubic root of 11973560 is about 228.7745790623.

The spelling of 11973560 in words is "eleven million, nine hundred seventy-three thousand, five hundred sixty".