12451397 has 8 divisors (see below), whose sum is σ = 14361600. Its totient is φ = 10574064.

The previous prime is 12451339. The next prime is 12451399. The reversal of 12451397 is 79315421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12451397 - 2⁸ = 12451141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451399) 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, 7397 + ... + 8922.

It is an arithmetic number, because the mean of its divisors is an integer number (1795200).

Almost surely, 2^12451397 is an apocalyptic number.

It is an amenable number.

12451397 is a deficient number, since it is larger than the sum of its proper divisors (1910203).

12451397 is a wasteful number, since it uses less digits than its factorization.

12451397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16435.

The product of its digits is 7560, while the sum is 32.

The square root of 12451397 is about 3528.6537092778. The cubic root of 12451397 is about 231.7782574611.

The spelling of 12451397 in words is "twelve million, four hundred fifty-one thousand, three hundred ninety-seven".