12369489 has 24 divisors (see below), whose sum is σ = 19127328. Its totient is φ = 7050240.

The previous prime is 12369479. The next prime is 12369499. The reversal of 12369489 is 98496321.

It is an interprime number because it is at equal distance from previous prime (12369479) and next prime (12369499).

It is not a de Polignac number, because 12369489 - 2⁸ = 12369233 is a prime.

It is a super-2 number, since 2×12369489² = 306008516242242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12369489.

It is not an unprimeable number, because it can be changed into a prime (12369449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8889 + ... + 10185.

It is an arithmetic number, because the mean of its divisors is an integer number (796972).

Almost surely, 2^12369489 is an apocalyptic number.

It is an amenable number.

12369489 is a deficient number, since it is larger than the sum of its proper divisors (6757839).

12369489 is a wasteful number, since it uses less digits than its factorization.

12369489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1328 counting only the distinct ones).

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

The square root of 12369489 is about 3517.0284332089. The cubic root of 12369489 is about 231.2689096784.

The spelling of 12369489 in words is "twelve million, three hundred sixty-nine thousand, four hundred eighty-nine".