12513199 has 4 divisors (see below), whose sum is σ = 12569536. Its totient is φ = 12456864.

The previous prime is 12513187. The next prime is 12513203. The reversal of 12513199 is 99131521.

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 12513199 - 2¹⁷ = 12382127 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 12513199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27834 + ... + 28279.

It is an arithmetic number, because the mean of its divisors is an integer number (3142384).

Almost surely, 2^12513199 is an apocalyptic number.

12513199 is a deficient number, since it is larger than the sum of its proper divisors (56337).

12513199 is an equidigital number, since it uses as much as digits as its factorization.

12513199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56336.

The product of its digits is 2430, while the sum is 31.

The square root of 12513199 is about 3537.4000339232. The cubic root of 12513199 is about 232.1610987210.

The spelling of 12513199 in words is "twelve million, five hundred thirteen thousand, one hundred ninety-nine".