11975420 has 24 divisors (see below), whose sum is σ = 25829664. Its totient is φ = 4660416.

The previous prime is 11975419. The next prime is 11975423. The reversal of 11975420 is 2457911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11975423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7352 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (1076236).

Almost surely, 2^11975420 is an apocalyptic number.

11975420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11975420 is an abundant number, since it is smaller than the sum of its proper divisors (13854244).

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

11975420 is a wasteful number, since it uses less digits than its factorization.

11975420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16229 (or 16227 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 11975420 is about 3460.5519790924. The cubic root of 11975420 is about 228.7864245699.

The spelling of 11975420 in words is "eleven million, nine hundred seventy-five thousand, four hundred twenty".