12989249 has 16 divisors (see below), whose sum is σ = 16332288. Its totient is φ = 10055232.

The previous prime is 12989239. The next prime is 12989261. The reversal of 12989249 is 94298921.

It is a cyclic number.

It is not a de Polignac number, because 12989249 - 2⁴ = 12989233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12989209) 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, 2759 + ... + 5795.

It is an arithmetic number, because the mean of its divisors is an integer number (1020768).

Almost surely, 2^12989249 is an apocalyptic number.

It is an amenable number.

12989249 is a deficient number, since it is larger than the sum of its proper divisors (3343039).

12989249 is a wasteful number, since it uses less digits than its factorization.

12989249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104.

The product of its digits is 93312, while the sum is 44.

The square root of 12989249 is about 3604.0600716414. The cubic root of 12989249 is about 235.0686324360.

The spelling of 12989249 in words is "twelve million, nine hundred eighty-nine thousand, two hundred forty-nine".