12401880 has 32 divisors (see below), whose sum is σ = 37206000. Its totient is φ = 3307136.

The previous prime is 12401867. The next prime is 12401887. The reversal of 12401880 is 8810421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12401880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401887) 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, 51555 + ... + 51794.

Almost surely, 2^12401880 is an apocalyptic number.

12401880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12401880 is an abundant number, since it is smaller than the sum of its proper divisors (24804120).

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

12401880 is a wasteful number, since it uses less digits than its factorization.

12401880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103363 (or 103359 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 12401880 is about 3521.6303042767. The cubic root of 12401880 is about 231.4706022470.

The spelling of 12401880 in words is "twelve million, four hundred one thousand, eight hundred eighty".