12739000 has 32 divisors (see below), whose sum is σ = 29811600. Its totient is φ = 5095200.

The previous prime is 12738997. The next prime is 12739031. The reversal of 12739000 is 93721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5370 + ... + 7369.

Almost surely, 2^12739000 is an apocalyptic number.

12739000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12739000 is an abundant number, since it is smaller than the sum of its proper divisors (17072600).

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

12739000 is a wasteful number, since it uses less digits than its factorization.

12739000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760 (or 12746 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 12739000 is about 3569.1735738123. The cubic root of 12739000 is about 233.5492332759.

The spelling of 12739000 in words is "twelve million, seven hundred thirty-nine thousand".