13839407 has 2 divisors, whose sum is σ = 13839408. Its totient is φ = 13839406.

The previous prime is 13839383. The next prime is 13839431. The reversal of 13839407 is 70493831.

It is a balanced prime because it is at equal distance from previous prime (13839383) and next prime (13839431).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13839407 is a prime.

It is a super-2 number, since 2×13839407² = 383058372223298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13839437) 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 as a sum of consecutive naturals, namely, 6919703 + 6919704.

It is an arithmetic number, because the mean of its divisors is an integer number (6919704).

Almost surely, 2^13839407 is an apocalyptic number.

13839407 is a deficient number, since it is larger than the sum of its proper divisors (1).

13839407 is an equidigital number, since it uses as much as digits as its factorization.

13839407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 13839407 is about 3720.1353470002. The cubic root of 13839407 is about 240.0891277765.

The spelling of 13839407 in words is "thirteen million, eight hundred thirty-nine thousand, four hundred seven".