12124389 has 8 divisors (see below), whose sum is σ = 16188480. Its totient is φ = 8071616.

The previous prime is 12124369. The next prime is 12124423. The reversal of 12124389 is 98342121.

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

It is a cyclic number.

It is not a de Polignac number, because 12124389 - 2⁹ = 12123877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (2023560).

Almost surely, 2^12124389 is an apocalyptic number.

It is an amenable number.

12124389 is a deficient number, since it is larger than the sum of its proper divisors (4064091).

12124389 is an equidigital number, since it uses as much as digits as its factorization.

12124389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659.

The product of its digits is 3456, while the sum is 30.

The square root of 12124389 is about 3482.0093337037. The cubic root of 12124389 is about 229.7311856284.

The spelling of 12124389 in words is "twelve million, one hundred twenty-four thousand, three hundred eighty-nine".