12139113 has 32 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 6762000.

The previous prime is 12139109. The next prime is 12139129. The reversal of 12139113 is 31193121.

It is not a de Polignac number, because 12139113 - 2² = 12139109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12139113.

It is not an unprimeable number, because it can be changed into a prime (12139103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48238 + ... + 48488.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 2^12139113 is an apocalyptic number.

It is an amenable number.

12139113 is a deficient number, since it is larger than the sum of its proper divisors (7214487).

12139113 is an equidigital number, since it uses as much as digits as its factorization.

12139113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 308 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

The square root of 12139113 is about 3484.1229886443. The cubic root of 12139113 is about 229.8241440894.

The spelling of 12139113 in words is "twelve million, one hundred thirty-nine thousand, one hundred thirteen".