12950649 has 6 divisors (see below), whose sum is σ = 18706506. Its totient is φ = 8633760.

The previous prime is 12950627. The next prime is 12950669. The reversal of 12950649 is 94605921.

12950649 is a `hidden beast` number, since 1 + 2 + 9 + 5 + 0 + 649 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10517049 + 2433600 = 3243^2 + 1560^2 .

It is not a de Polignac number, because 12950649 - 2⁸ = 12950393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12950669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 719472 + ... + 719489.

It is an arithmetic number, because the mean of its divisors is an integer number (3117751).

Almost surely, 2^12950649 is an apocalyptic number.

It is an amenable number.

12950649 is a deficient number, since it is larger than the sum of its proper divisors (5755857).

12950649 is a wasteful number, since it uses less digits than its factorization.

12950649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438967 (or 1438964 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 12950649 is about 3598.7010156444. The cubic root of 12950649 is about 234.8355511624.

The spelling of 12950649 in words is "twelve million, nine hundred fifty thousand, six hundred forty-nine".