12297857 has 8 divisors (see below), whose sum is σ = 14448000. Its totient is φ = 10319760.

The previous prime is 12297853. The next prime is 12297863. The reversal of 12297857 is 75879221.

12297857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12297857 - 2² = 12297853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12297853) 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, 42857 + ... + 43142.

It is an arithmetic number, because the mean of its divisors is an integer number (1806000).

Almost surely, 2^12297857 is an apocalyptic number.

It is an amenable number.

12297857 is a deficient number, since it is larger than the sum of its proper divisors (2150143).

12297857 is a wasteful number, since it uses less digits than its factorization.

12297857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86023.

The product of its digits is 70560, while the sum is 41.

The square root of 12297857 is about 3506.8300500595. The cubic root of 12297857 is about 230.8216172494.

It can be divided in two parts, 122 and 97857, that added together give a palindrome (97979).

The spelling of 12297857 in words is "twelve million, two hundred ninety-seven thousand, eight hundred fifty-seven".