12457166 has 4 divisors (see below), whose sum is σ = 18685752. Its totient is φ = 6228582.

The previous prime is 12457157. The next prime is 12457171. The reversal of 12457166 is 66175421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3114290 + ... + 3114293.

It is an arithmetic number, because the mean of its divisors is an integer number (4671438).

Almost surely, 2^12457166 is an apocalyptic number.

12457166 is a deficient number, since it is larger than the sum of its proper divisors (6228586).

12457166 is an equidigital number, since it uses as much as digits as its factorization.

12457166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228585.

The product of its digits is 10080, while the sum is 32.

The square root of 12457166 is about 3529.4710651881. The cubic root of 12457166 is about 231.8140478845.

The spelling of 12457166 in words is "twelve million, four hundred fifty-seven thousand, one hundred sixty-six".