12375920 has 20 divisors (see below), whose sum is σ = 28774200. Its totient is φ = 4950336.

The previous prime is 12375919. The next prime is 12375929. The reversal of 12375920 is 2957321.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12375929) 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, 77270 + ... + 77429.

It is an arithmetic number, because the mean of its divisors is an integer number (1438710).

Almost surely, 2^12375920 is an apocalyptic number.

12375920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12375920 is an abundant number, since it is smaller than the sum of its proper divisors (16398280).

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

12375920 is a wasteful number, since it uses less digits than its factorization.

12375920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154712 (or 154706 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 12375920 is about 3517.9425805433. The cubic root of 12375920 is about 231.3089822764.

The spelling of 12375920 in words is "twelve million, three hundred seventy-five thousand, nine hundred twenty".