12394657 has 4 divisors (see below), whose sum is σ = 13521456. Its totient is φ = 11267860.

The previous prime is 12394609. The next prime is 12394663. The reversal of 12394657 is 75649321.

12394657 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12394657 - 2¹⁵ = 12361889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12394607) 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, 563383 + ... + 563404.

It is an arithmetic number, because the mean of its divisors is an integer number (3380364).

Almost surely, 2^12394657 is an apocalyptic number.

It is an amenable number.

12394657 is a deficient number, since it is larger than the sum of its proper divisors (1126799).

12394657 is a wasteful number, since it uses less digits than its factorization.

12394657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126798.

The product of its digits is 45360, while the sum is 37.

The square root of 12394657 is about 3520.6046355704. The cubic root of 12394657 is about 231.4256564580.

The spelling of 12394657 in words is "twelve million, three hundred ninety-four thousand, six hundred fifty-seven".