12457106 has 4 divisors (see below), whose sum is σ = 18685662. Its totient is φ = 6228552.

The previous prime is 12457097. The next prime is 12457111. The reversal of 12457106 is 60175421.

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

It can be written as a sum of positive squares in only one way, i.e., 10621081 + 1836025 = 3259^2 + 1355^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114275 + ... + 3114278.

Almost surely, 2^12457106 is an apocalyptic number.

12457106 is a deficient number, since it is larger than the sum of its proper divisors (6228556).

12457106 is an equidigital number, since it uses as much as digits as its factorization.

12457106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228555.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12457106 is about 3529.4625653207. The cubic root of 12457106 is about 231.8136757061.

The spelling of 12457106 in words is "twelve million, four hundred fifty-seven thousand, one hundred six".