12701839 has 6 divisors (see below), whose sum is σ = 13493264. Its totient is φ = 11954400.

The previous prime is 12701831. The next prime is 12701849. The reversal of 12701839 is 93810721.

It is not a de Polignac number, because 12701839 - 2³ = 12701831 is a prime.

It is a super-2 number, since 2×12701839² = 322673427963842, which contains 22 as substring.

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 12701839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12701831) 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 5 ways as a sum of consecutive naturals, for example, 21687 + ... + 22264.

Almost surely, 2^12701839 is an apocalyptic number.

12701839 is a deficient number, since it is larger than the sum of its proper divisors (791425).

12701839 is an equidigital number, since it uses as much as digits as its factorization.

12701839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43985 (or 43968 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12701839 is about 3563.9639448232. The cubic root of 12701839 is about 233.3219162214.

The spelling of 12701839 in words is "twelve million, seven hundred one thousand, eight hundred thirty-nine".