12650650 has 12 divisors (see below), whose sum is σ = 23530302. Its totient is φ = 5060240.

The previous prime is 12650639. The next prime is 12650657. The reversal of 12650650 is 5605621.

It can be written as a sum of positive squares in 3 ways, for example, as 12383361 + 267289 = 3519^2 + 517^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12650657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126457 + ... + 126556.

Almost surely, 2^12650650 is an apocalyptic number.

12650650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12650650 is a deficient number, since it is larger than the sum of its proper divisors (10879652).

12650650 is a wasteful number, since it uses less digits than its factorization.

12650650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253025 (or 253020 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 12650650 is about 3556.7752248350. The cubic root of 12650650 is about 233.0080615138.

The spelling of 12650650 in words is "twelve million, six hundred fifty thousand, six hundred fifty".