12989795 has 16 divisors (see below), whose sum is σ = 19185600. Its totient is φ = 8221824.

The previous prime is 12989791. The next prime is 12989803. The reversal of 12989795 is 59798921.

It is a happy number.

12989795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12989795 - 2² = 12989791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12989791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13820 + ... + 14729.

It is an arithmetic number, because the mean of its divisors is an integer number (1199100).

Almost surely, 2^12989795 is an apocalyptic number.

12989795 is a deficient number, since it is larger than the sum of its proper divisors (6195805).

12989795 is a wasteful number, since it uses less digits than its factorization.

12989795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28574.

The product of its digits is 408240, while the sum is 50.

The square root of 12989795 is about 3604.1358187505. The cubic root of 12989795 is about 235.0719260746.

The spelling of 12989795 in words is "twelve million, nine hundred eighty-nine thousand, seven hundred ninety-five".