12002989 has 2 divisors, whose sum is σ = 12002990. Its totient is φ = 12002988.

The previous prime is 12002959. The next prime is 12003007. The reversal of 12002989 is 98920021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 100489 = 3450^2 + 317^2 .

It is an emirp because it is prime and its reverse (98920021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12002989 - 2⁵ = 12002957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12002989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001494 + 6001495.

It is an arithmetic number, because the mean of its divisors is an integer number (6001495).

Almost surely, 2^12002989 is an apocalyptic number.

It is an amenable number.

12002989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002989 is an equidigital number, since it uses as much as digits as its factorization.

12002989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 12002989 is about 3464.5330132646. The cubic root of 12002989 is about 228.9618555486.

The spelling of 12002989 in words is "twelve million, two thousand, nine hundred eighty-nine".