12613315 has 48 divisors (see below), whose sum is σ = 18973440. Its totient is φ = 7962240.

The previous prime is 12613313. The next prime is 12613327. The reversal of 12613315 is 51331621.

12613315 = 85² + 86² + ... + 337².

It is a happy number.

It is not a de Polignac number, because 12613315 - 2¹ = 12613313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12613313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213756 + ... + 213814.

It is an arithmetic number, because the mean of its divisors is an integer number (395280).

Almost surely, 2^12613315 is an apocalyptic number.

12613315 is a deficient number, since it is larger than the sum of its proper divisors (6360125).

12613315 is a wasteful number, since it uses less digits than its factorization.

12613315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 111 counting only the distinct ones).

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

The square root of 12613315 is about 3551.5229127798. The cubic root of 12613315 is about 232.7786153859.

Adding to 12613315 its reverse (51331621), we get a palindrome (63944936).

The spelling of 12613315 in words is "twelve million, six hundred thirteen thousand, three hundred fifteen".