12796139 has 8 divisors (see below), whose sum is σ = 13578240. Its totient is φ = 12024936.

The previous prime is 12796123. The next prime is 12796151. The reversal of 12796139 is 93169721.

It is a happy number.

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 12796139 - 2⁴ = 12796123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12796109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (1697280).

Almost surely, 2^12796139 is an apocalyptic number.

12796139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12796139 is a deficient number, since it is larger than the sum of its proper divisors (782101).

12796139 is a wasteful number, since it uses less digits than its factorization.

12796139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449.

The product of its digits is 20412, while the sum is 38.

The square root of 12796139 is about 3577.1691321491. The cubic root of 12796139 is about 233.8978966241.

The spelling of 12796139 in words is "twelve million, seven hundred ninety-six thousand, one hundred thirty-nine".