12650013 has 20 divisors (see below), whose sum is σ = 19224480. Its totient is φ = 8287272.

The previous prime is 12649993. The next prime is 12650021. The reversal of 12650013 is 31005621.

12650013 is a `hidden beast` number, since 1 + 2 + 650 + 0 + 13 = 666.

It is not a de Polignac number, because 12650013 - 2⁸ = 12649757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650063) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3456 + ... + 6102.

It is an arithmetic number, because the mean of its divisors is an integer number (961224).

Almost surely, 2^12650013 is an apocalyptic number.

It is an amenable number.

12650013 is a deficient number, since it is larger than the sum of its proper divisors (6574467).

12650013 is an equidigital number, since it uses as much as digits as its factorization.

12650013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 12650013 is about 3556.6856763003. The cubic root of 12650013 is about 233.0041505520.

Adding to 12650013 its reverse (31005621), we get a palindrome (43655634).

The spelling of 12650013 in words is "twelve million, six hundred fifty thousand, thirteen".