12964389 has 8 divisors (see below), whose sum is σ = 17376192. Its totient is φ = 8597760.

The previous prime is 12964381. The next prime is 12964397. The reversal of 12964389 is 98346921.

It is an interprime number because it is at equal distance from previous prime (12964381) and next prime (12964397).

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

It is not a de Polignac number, because 12964389 - 2³ = 12964381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12964389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12964381) 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 7 ways as a sum of consecutive naturals, for example, 10617 + ... + 11774.

It is an arithmetic number, because the mean of its divisors is an integer number (2172024).

Almost surely, 2^12964389 is an apocalyptic number.

It is an amenable number.

12964389 is a deficient number, since it is larger than the sum of its proper divisors (4411803).

12964389 is a wasteful number, since it uses less digits than its factorization.

12964389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22587.

The product of its digits is 93312, while the sum is 42.

The square root of 12964389 is about 3600.6095317321. The cubic root of 12964389 is about 234.9185714559.

The spelling of 12964389 in words is "twelve million, nine hundred sixty-four thousand, three hundred eighty-nine".