12454657 has 4 divisors (see below), whose sum is σ = 12575680. Its totient is φ = 12333636.

The previous prime is 12454627. The next prime is 12454679. The reversal of 12454657 is 75645421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75645421 = 829 ⋅91249.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12454657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12454627) 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, 60357 + ... + 60562.

It is an arithmetic number, because the mean of its divisors is an integer number (3143920).

Almost surely, 2^12454657 is an apocalyptic number.

It is an amenable number.

12454657 is a deficient number, since it is larger than the sum of its proper divisors (121023).

12454657 is a wasteful number, since it uses less digits than its factorization.

12454657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121022.

The product of its digits is 33600, while the sum is 34.

The square root of 12454657 is about 3529.1156115945. The cubic root of 12454657 is about 231.7984836035.

The spelling of 12454657 in words is "twelve million, four hundred fifty-four thousand, six hundred fifty-seven".