12317402 has 8 divisors (see below), whose sum is σ = 19113300. Its totient is φ = 5946304.

The previous prime is 12317381. The next prime is 12317407. The reversal of 12317402 is 20471321.

It can be written as a sum of positive squares in 2 ways, for example, as 12187081 + 130321 = 3491^2 + 361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12317407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106127 + ... + 106242.

Almost surely, 2^12317402 is an apocalyptic number.

12317402 is a deficient number, since it is larger than the sum of its proper divisors (6795898).

12317402 is a wasteful number, since it uses less digits than its factorization.

12317402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212400.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12317402 is about 3509.6156484721. The cubic root of 12317402 is about 230.9438342238.

Adding to 12317402 its reverse (20471321), we get a palindrome (32788723).

The spelling of 12317402 in words is "twelve million, three hundred seventeen thousand, four hundred two".