12401975 has 6 divisors (see below), whose sum is σ = 15378480. Its totient is φ = 9921560.

The previous prime is 12401969. The next prime is 12401989. The reversal of 12401975 is 57910421.

It is a de Polignac number, because none of the positive numbers 2^k-12401975 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248015 + ... + 248064.

It is an arithmetic number, because the mean of its divisors is an integer number (2563080).

Almost surely, 2^12401975 is an apocalyptic number.

12401975 is a deficient number, since it is larger than the sum of its proper divisors (2976505).

12401975 is an equidigital number, since it uses as much as digits as its factorization.

12401975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496089 (or 496084 counting only the distinct ones).

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

The square root of 12401975 is about 3521.6437923220. The cubic root of 12401975 is about 231.4711932771.

The spelling of 12401975 in words is "twelve million, four hundred one thousand, nine hundred seventy-five".