12645458 has 16 divisors (see below), whose sum is σ = 22377984. Its totient is φ = 5244480.

The previous prime is 12645449. The next prime is 12645461. The reversal of 12645458 is 85454621.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14135 + ... + 15002.

It is an arithmetic number, because the mean of its divisors is an integer number (1398624).

Almost surely, 2^12645458 is an apocalyptic number.

12645458 is a deficient number, since it is larger than the sum of its proper divisors (9732526).

12645458 is a wasteful number, since it uses less digits than its factorization.

12645458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29177.

The product of its digits is 38400, while the sum is 35.

The square root of 12645458 is about 3556.0452753023. The cubic root of 12645458 is about 232.9761805855.

The spelling of 12645458 in words is "twelve million, six hundred forty-five thousand, four hundred fifty-eight".