12513902 has 4 divisors (see below), whose sum is σ = 18770856. Its totient is φ = 6256950.

The previous prime is 12513901. The next prime is 12513923. The reversal of 12513902 is 20931521.

12513902 is nontrivially palindromic in base 3.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128474 + ... + 3128477.

It is an arithmetic number, because the mean of its divisors is an integer number (4692714).

Almost surely, 2^12513902 is an apocalyptic number.

12513902 is a deficient number, since it is larger than the sum of its proper divisors (6256954).

12513902 is an equidigital number, since it uses as much as digits as its factorization.

12513902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256953.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 12513902 is about 3537.4993992932. The cubic root of 12513902 is about 232.1654462955.

The spelling of 12513902 in words is "twelve million, five hundred thirteen thousand, nine hundred two".