12650399 has 4 divisors (see below), whose sum is σ = 12658560. Its totient is φ = 12642240.

The previous prime is 12650369. The next prime is 12650413. The reversal of 12650399 is 99305621.

12650399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12650399 - 2¹⁶ = 12584863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650359) 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, 959 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (3164640).

Almost surely, 2^12650399 is an apocalyptic number.

12650399 is a deficient number, since it is larger than the sum of its proper divisors (8161).

12650399 is an equidigital number, since it uses as much as digits as its factorization.

12650399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8160.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 12650399 is about 3556.7399398888. The cubic root of 12650399 is about 233.0065204755.

The spelling of 12650399 in words is "twelve million, six hundred fifty thousand, three hundred ninety-nine".