12136315 has 4 divisors (see below), whose sum is σ = 14563584. Its totient is φ = 9709048.

The previous prime is 12136303. The next prime is 12136321. The reversal of 12136315 is 51363121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12136315 - 2⁹ = 12135803 is a prime.

It is a Duffinian 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, 1213627 + ... + 1213636.

It is an arithmetic number, because the mean of its divisors is an integer number (3640896).

Almost surely, 2^12136315 is an apocalyptic number.

12136315 is a deficient number, since it is larger than the sum of its proper divisors (2427269).

12136315 is an equidigital number, since it uses as much as digits as its factorization.

12136315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427268.

The product of its digits is 540, while the sum is 22.

The square root of 12136315 is about 3483.7214297357. The cubic root of 12136315 is about 229.8064849911.

Adding to 12136315 its reverse (51363121), we get a palindrome (63499436).

The spelling of 12136315 in words is "twelve million, one hundred thirty-six thousand, three hundred fifteen".