12513335 has 4 divisors (see below), whose sum is σ = 15016008. Its totient is φ = 10010664.

The previous prime is 12513331. The next prime is 12513341. The reversal of 12513335 is 53331521.

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 12513335 - 2² = 12513331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12513335.

It is a congruent 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, 1251329 + ... + 1251338.

It is an arithmetic number, because the mean of its divisors is an integer number (3754002).

Almost surely, 2^12513335 is an apocalyptic number.

12513335 is a deficient number, since it is larger than the sum of its proper divisors (2502673).

12513335 is an equidigital number, since it uses as much as digits as its factorization.

12513335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502672.

The product of its digits is 1350, while the sum is 23.

The square root of 12513335 is about 3537.4192570291. The cubic root of 12513335 is about 232.1619398007.

Adding to 12513335 its reverse (53331521), we get a palindrome (65844856).

The spelling of 12513335 in words is "twelve million, five hundred thirteen thousand, three hundred thirty-five".