12512316 has 12 divisors (see below), whose sum is σ = 29195432. Its totient is φ = 4170768.

The previous prime is 12512303. The next prime is 12512329. The reversal of 12512316 is 61321521.

It is an interprime number because it is at equal distance from previous prime (12512303) and next prime (12512329).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12512292 and 12512301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521335 + ... + 521358.

Almost surely, 2^12512316 is an apocalyptic number.

It is an amenable number.

12512316 is an abundant number, since it is smaller than the sum of its proper divisors (16683116).

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

12512316 is a wasteful number, since it uses less digits than its factorization.

12512316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042700 (or 1042698 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 12512316 is about 3537.2752225406. The cubic root of 12512316 is about 232.1556377387.

Adding to 12512316 its reverse (61321521), we get a palindrome (73833837).

The spelling of 12512316 in words is "twelve million, five hundred twelve thousand, three hundred sixteen".