12315694 has 4 divisors (see below), whose sum is σ = 18473544. Its totient is φ = 6157846.

The previous prime is 12315679. The next prime is 12315707. The reversal of 12315694 is 49651321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078922 + ... + 3078925.

It is an arithmetic number, because the mean of its divisors is an integer number (4618386).

Almost surely, 2^12315694 is an apocalyptic number.

12315694 is a deficient number, since it is larger than the sum of its proper divisors (6157850).

12315694 is an equidigital number, since it uses as much as digits as its factorization.

12315694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157849.

The product of its digits is 6480, while the sum is 31.

The square root of 12315694 is about 3509.3723085475. The cubic root of 12315694 is about 230.9331590748.

The spelling of 12315694 in words is "twelve million, three hundred fifteen thousand, six hundred ninety-four".