12483139 has 4 divisors (see below), whose sum is σ = 12518856. Its totient is φ = 12447424.

The previous prime is 12483131. The next prime is 12483167. The reversal of 12483139 is 93138421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12483139 - 2³ = 12483131 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 12483139.

It is not an unprimeable number, because it can be changed into a prime (12483131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17329 + ... + 18034.

It is an arithmetic number, because the mean of its divisors is an integer number (3129714).

Almost surely, 2^12483139 is an apocalyptic number.

12483139 is a deficient number, since it is larger than the sum of its proper divisors (35717).

12483139 is an equidigital number, since it uses as much as digits as its factorization.

12483139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35716.

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

The square root of 12483139 is about 3533.1485957995. The cubic root of 12483139 is about 231.9750456215.

The spelling of 12483139 in words is "twelve million, four hundred eighty-three thousand, one hundred thirty-nine".