12839419 has 2 divisors, whose sum is σ = 12839420. Its totient is φ = 12839418.

The previous prime is 12839401. The next prime is 12839429. The reversal of 12839419 is 91493821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12839419 - 2⁹ = 12838907 is a prime.

It is a super-2 number, since 2×12839419² = 329701360515122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12839429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419709 + 6419710.

It is an arithmetic number, because the mean of its divisors is an integer number (6419710).

Almost surely, 2^12839419 is an apocalyptic number.

12839419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12839419 is an equidigital number, since it uses as much as digits as its factorization.

12839419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 12839419 is about 3583.2135018723. The cubic root of 12839419 is about 234.1613018419.

The spelling of 12839419 in words is "twelve million, eight hundred thirty-nine thousand, four hundred nineteen".