12457066 has 16 divisors (see below), whose sum is σ = 19414440. Its totient is φ = 5987520.

The previous prime is 12457061. The next prime is 12457091. The reversal of 12457066 is 66075421.

It is a happy number.

12457066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11029041 + 1428025 = 3321^2 + 1195^2 .

It is not an unprimeable number, because it can be changed into a prime (12457061) 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, 22756 + ... + 23296.

Almost surely, 2^12457066 is an apocalyptic number.

12457066 is a deficient number, since it is larger than the sum of its proper divisors (6957374).

12457066 is a wasteful number, since it uses less digits than its factorization.

12457066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 12457066 is about 3529.4568987310. The cubic root of 12457066 is about 231.8134275865.

The spelling of 12457066 in words is "twelve million, four hundred fifty-seven thousand, sixty-six".