12652989 has 8 divisors (see below), whose sum is σ = 16890912. Its totient is φ = 8425200.

The previous prime is 12652987. The next prime is 12652999. The reversal of 12652989 is 98925621.

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

It is not a de Polignac number, because 12652989 - 2¹ = 12652987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12652989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652987) 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, 1147 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (2111364).

Almost surely, 2^12652989 is an apocalyptic number.

It is an amenable number.

12652989 is a deficient number, since it is larger than the sum of its proper divisors (4237923).

12652989 is a wasteful number, since it uses less digits than its factorization.

12652989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067.

The product of its digits is 77760, while the sum is 42.

The square root of 12652989 is about 3557.1040187208. The cubic root of 12652989 is about 233.0224210466.

The spelling of 12652989 in words is "twelve million, six hundred fifty-two thousand, nine hundred eighty-nine".