12989697 has 16 divisors (see below), whose sum is σ = 19860480. Its totient is φ = 7397712.

The previous prime is 12989681. The next prime is 12989729. The reversal of 12989697 is 79698921.

It is a happy number.

It is not a de Polignac number, because 12989697 - 2⁴ = 12989681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12989657) 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, 6678 + ... + 8400.

It is an arithmetic number, because the mean of its divisors is an integer number (1241280).

Almost surely, 2^12989697 is an apocalyptic number.

It is an amenable number.

12989697 is a deficient number, since it is larger than the sum of its proper divisors (6870783).

12989697 is a wasteful number, since it uses less digits than its factorization.

12989697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its digits is 489888, while the sum is 51.

The square root of 12989697 is about 3604.1222232327. The cubic root of 12989697 is about 235.0713349155.

The spelling of 12989697 in words is "twelve million, nine hundred eighty-nine thousand, six hundred ninety-seven".