12454857 has 16 divisors (see below), whose sum is σ = 18903360. Its totient is φ = 8100000.

The previous prime is 12454853. The next prime is 12454867. The reversal of 12454857 is 75845421.

It is not a de Polignac number, because 12454857 - 2² = 12454853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12454853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4519 + ... + 6732.

It is an arithmetic number, because the mean of its divisors is an integer number (1181460).

Almost surely, 2^12454857 is an apocalyptic number.

It is an amenable number.

12454857 is a deficient number, since it is larger than the sum of its proper divisors (6448503).

12454857 is a wasteful number, since it uses less digits than its factorization.

12454857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301 (or 11295 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 12454857 is about 3529.1439471917. The cubic root of 12454857 is about 231.7997243562.

The spelling of 12454857 in words is "twelve million, four hundred fifty-four thousand, eight hundred fifty-seven".