12310989 has 8 divisors (see below), whose sum is σ = 16434912. Its totient is φ = 8197200.

The previous prime is 12310979. The next prime is 12310997. The reversal of 12310989 is 98901321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12310989 - 2⁷ = 12310861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (2054364).

Almost surely, 2^12310989 is an apocalyptic number.

It is an amenable number.

12310989 is a deficient number, since it is larger than the sum of its proper divisors (4123923).

12310989 is a wasteful number, since it uses less digits than its factorization.

12310989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 12310989 is about 3508.7018967134. The cubic root of 12310989 is about 230.9037473094.

The spelling of 12310989 in words is "twelve million, three hundred ten thousand, nine hundred eighty-nine".