12397401 has 16 divisors (see below), whose sum is σ = 18430720. Its totient is φ = 8236080.

The previous prime is 12397397. The next prime is 12397409. The reversal of 12397401 is 10479321.

It is not a de Polignac number, because 12397401 - 2² = 12397397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12397409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9456 + ... + 10686.

It is an arithmetic number, because the mean of its divisors is an integer number (1151920).

Almost surely, 2^12397401 is an apocalyptic number.

It is an amenable number.

12397401 is a deficient number, since it is larger than the sum of its proper divisors (6033319).

12397401 is a wasteful number, since it uses less digits than its factorization.

12397401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12397401 is about 3520.9943197909. The cubic root of 12397401 is about 231.4427333093.

The spelling of 12397401 in words is "twelve million, three hundred ninety-seven thousand, four hundred one".