12739086 has 32 divisors (see below), whose sum is σ = 29976480. Its totient is φ = 3996288.

The previous prime is 12739081. The next prime is 12739087. The reversal of 12739086 is 68093721.

It is a self number, because there is not a number n which added to its sum of digits gives 12739086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12739081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6021 + ... + 7856.

It is an arithmetic number, because the mean of its divisors is an integer number (936765).

Almost surely, 2^12739086 is an apocalyptic number.

12739086 is an abundant number, since it is smaller than the sum of its proper divisors (17237394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12739086 is a wasteful number, since it uses less digits than its factorization.

12739086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13905 (or 13899 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12739086 is about 3569.1856213988. The cubic root of 12739086 is about 233.5497588323.

The spelling of 12739086 in words is "twelve million, seven hundred thirty-nine thousand, eighty-six".