12349389 has 32 divisors (see below), whose sum is σ = 18748800. Its totient is φ = 7176960.

The previous prime is 12349387. The next prime is 12349397. The reversal of 12349389 is 98394321.

12349389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12349389 - 2¹ = 12349387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12349387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68902 + ... + 69080.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^12349389 is an apocalyptic number.

It is an amenable number.

12349389 is a deficient number, since it is larger than the sum of its proper divisors (6399411).

12349389 is a wasteful number, since it uses less digits than its factorization.

12349389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its digits is 46656, while the sum is 39.

The square root of 12349389 is about 3514.1697454733. The cubic root of 12349389 is about 231.1435737208.

The spelling of 12349389 in words is "twelve million, three hundred forty-nine thousand, three hundred eighty-nine".