12850989 has 4 divisors (see below), whose sum is σ = 17134656. Its totient is φ = 8567324.

The previous prime is 12850979. The next prime is 12851029. The reversal of 12850989 is 98905821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12850989 - 2⁹ = 12850477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12850989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12850909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141829 + ... + 2141834.

It is an arithmetic number, because the mean of its divisors is an integer number (4283664).

Almost surely, 2^12850989 is an apocalyptic number.

It is an amenable number.

12850989 is a deficient number, since it is larger than the sum of its proper divisors (4283667).

12850989 is an equidigital number, since it uses as much as digits as its factorization.

12850989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283666.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 12850989 is about 3584.8276109180. The cubic root of 12850989 is about 234.2316174035.

The spelling of 12850989 in words is "twelve million, eight hundred fifty thousand, nine hundred eighty-nine".