12358989 has 12 divisors (see below), whose sum is σ = 17926272. Its totient is φ = 8205000.

The previous prime is 12358967. The next prime is 12358993. The reversal of 12358989 is 98985321.

It is a happy number.

It is not a de Polignac number, because 12358989 - 2⁹ = 12358477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12358939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477 + ... + 4994.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 2^12358989 is an apocalyptic number.

It is an amenable number.

12358989 is a deficient number, since it is larger than the sum of its proper divisors (5567283).

12358989 is a wasteful number, since it uses less digits than its factorization.

12358989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728 (or 5725 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 12358989 is about 3515.5353788577. The cubic root of 12358989 is about 231.2034526230.

The spelling of 12358989 in words is "twelve million, three hundred fifty-eight thousand, nine hundred eighty-nine".