11553970 has 16 divisors (see below), whose sum is σ = 21150720. Its totient is φ = 4543024.

The previous prime is 11553943. The next prime is 11553989. The reversal of 11553970 is 7935511.

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, 9202 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (1321920).

Almost surely, 2^11553970 is an apocalyptic number.

11553970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11553970 is a deficient number, since it is larger than the sum of its proper divisors (9596750).

11553970 is a wasteful number, since it uses less digits than its factorization.

11553970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19649.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 11553970 is about 3399.1131196240. The cubic root of 11553970 is about 226.0704220982.

The spelling of 11553970 in words is "eleven million, five hundred fifty-three thousand, nine hundred seventy".