12713306 has 4 divisors (see below), whose sum is σ = 19069962. Its totient is φ = 6356652.

The previous prime is 12713279. The next prime is 12713329. The reversal of 12713306 is 60331721.

It is a happy number.

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., 11621281 + 1092025 = 3409^2 + 1045^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178325 + ... + 3178328.

Almost surely, 2^12713306 is an apocalyptic number.

12713306 is a deficient number, since it is larger than the sum of its proper divisors (6356656).

12713306 is an equidigital number, since it uses as much as digits as its factorization.

12713306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356655.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 12713306 is about 3565.5723243261. The cubic root of 12713306 is about 233.3921080964.

The spelling of 12713306 in words is "twelve million, seven hundred thirteen thousand, three hundred six".