12134839 has 8 divisors (see below), whose sum is σ = 12414080. Its totient is φ = 11858616.

The previous prime is 12134831. The next prime is 12134867. The reversal of 12134839 is 93843121.

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 12134839 - 2³ = 12134831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12134839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134831) 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, 8662 + ... + 9964.

It is an arithmetic number, because the mean of its divisors is an integer number (1551760).

Almost surely, 2^12134839 is an apocalyptic number.

12134839 is a deficient number, since it is larger than the sum of its proper divisors (279241).

12134839 is a wasteful number, since it uses less digits than its factorization.

12134839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its digits is 5184, while the sum is 31.

The square root of 12134839 is about 3483.5095808681. The cubic root of 12134839 is about 229.7971683761.

The spelling of 12134839 in words is "twelve million, one hundred thirty-four thousand, eight hundred thirty-nine".