12650189 has 8 divisors (see below), whose sum is σ = 13057560. Its totient is φ = 12246336.

The previous prime is 12650179. The next prime is 12650221. The reversal of 12650189 is 98105621.

It can be written as a sum of positive squares in 4 ways, for example, as 9954025 + 2696164 = 3155^2 + 1642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12650189 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 (12650179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7727 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (1632195).

Almost surely, 2^12650189 is an apocalyptic number.

It is an amenable number.

12650189 is a deficient number, since it is larger than the sum of its proper divisors (407371).

12650189 is a wasteful number, since it uses less digits than its factorization.

12650189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 12650189 is about 3556.7104183501. The cubic root of 12650189 is about 233.0052311449.

The spelling of 12650189 in words is "twelve million, six hundred fifty thousand, one hundred eighty-nine".