12989363 has 4 divisors (see below), whose sum is σ = 13007280. Its totient is φ = 12971448.

The previous prime is 12989351. The next prime is 12989387. The reversal of 12989363 is 36398921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12989363 - 2⁶ = 12989299 is a prime.

It is a super-2 number, since 2×12989363² = 337447102291538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12989363.

It is not an unprimeable number, because it can be changed into a prime (12989323) 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 3 ways as a sum of consecutive naturals, for example, 7823 + ... + 9336.

It is an arithmetic number, because the mean of its divisors is an integer number (3251820).

Almost surely, 2^12989363 is an apocalyptic number.

12989363 is a deficient number, since it is larger than the sum of its proper divisors (17917).

12989363 is an equidigital number, since it uses as much as digits as its factorization.

12989363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17916.

The product of its digits is 69984, while the sum is 41.

The square root of 12989363 is about 3604.0758871034. The cubic root of 12989363 is about 235.0693201264.

The spelling of 12989363 in words is "twelve million, nine hundred eighty-nine thousand, three hundred sixty-three".