12657316 has 24 divisors (see below), whose sum is σ = 26804736. Its totient is φ = 5105280.

The previous prime is 12657289. The next prime is 12657319. The reversal of 12657316 is 61375621.

It is not an unprimeable number, because it can be changed into a prime (12657319) 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, 12820 + ... + 13771.

It is an arithmetic number, because the mean of its divisors is an integer number (1116864).

Almost surely, 2^12657316 is an apocalyptic number.

It is an amenable number.

12657316 is an abundant number, since it is smaller than the sum of its proper divisors (14147420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12657316 is a wasteful number, since it uses less digits than its factorization.

12657316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26619 (or 26617 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 12657316 is about 3557.7121862231. The cubic root of 12657316 is about 233.0489805971.

The spelling of 12657316 in words is "twelve million, six hundred fifty-seven thousand, three hundred sixteen".