12513337 has 4 divisors (see below), whose sum is σ = 12529296. Its totient is φ = 12497380.

The previous prime is 12513331. The next prime is 12513341. The reversal of 12513337 is 73331521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12513337 - 2⁷ = 12513209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12513331) 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, 6739 + ... + 8392.

It is an arithmetic number, because the mean of its divisors is an integer number (3132324).

Almost surely, 2^12513337 is an apocalyptic number.

It is an amenable number.

12513337 is a deficient number, since it is larger than the sum of its proper divisors (15959).

12513337 is an equidigital number, since it uses as much as digits as its factorization.

12513337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15958.

The product of its digits is 1890, while the sum is 25.

The square root of 12513337 is about 3537.4195397210. The cubic root of 12513337 is about 232.1619521695.

Adding to 12513337 its reverse (73331521), we get a palindrome (85844858).

The spelling of 12513337 in words is "twelve million, five hundred thirteen thousand, three hundred thirty-seven".