12839995 has 16 divisors (see below), whose sum is σ = 17860608. Its totient is φ = 8678880.

The previous prime is 12839989. The next prime is 12840001. The reversal of 12839995 is 59993821.

It is an interprime number because it is at equal distance from previous prime (12839989) and next prime (12840001).

It is not a de Polignac number, because 12839995 - 2⁵ = 12839963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (1116288).

Almost surely, 2^12839995 is an apocalyptic number.

12839995 is a deficient number, since it is larger than the sum of its proper divisors (5020613).

12839995 is an equidigital number, since it uses as much as digits as its factorization.

12839995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250.

The product of its digits is 174960, while the sum is 46.

The square root of 12839995 is about 3583.2938757518. The cubic root of 12839995 is about 234.1648034254.

The spelling of 12839995 in words is "twelve million, eight hundred thirty-nine thousand, nine hundred ninety-five".