12456746 has 4 divisors (see below), whose sum is σ = 18685122. Its totient is φ = 6228372.

The previous prime is 12456721. The next prime is 12456751. The reversal of 12456746 is 64765421.

12456746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 10310521 + 2146225 = 3211^2 + 1465^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114185 + ... + 3114188.

Almost surely, 2^12456746 is an apocalyptic number.

12456746 is a deficient number, since it is larger than the sum of its proper divisors (6228376).

12456746 is an equidigital number, since it uses as much as digits as its factorization.

12456746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228375.

The product of its digits is 40320, while the sum is 35.

The square root of 12456746 is about 3529.4115656863. The cubic root of 12456746 is about 231.8114426105.

The spelling of 12456746 in words is "twelve million, four hundred fifty-six thousand, seven hundred forty-six".