12739902 has 48 divisors (see below), whose sum is σ = 31395600. Its totient is φ = 3424512.

The previous prime is 12739897. The next prime is 12739927. The reversal of 12739902 is 20993721.

12739902 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3724 + ... + 6272.

It is an arithmetic number, because the mean of its divisors is an integer number (654075).

Almost surely, 2^12739902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12739902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15697800).

12739902 is an abundant number, since it is smaller than the sum of its proper divisors (18655698).

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

12739902 is a wasteful number, since it uses less digits than its factorization.

12739902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 12739902 is about 3569.2999313591. The cubic root of 12739902 is about 233.5547453892.

It can be divided in two parts, 1273 and 9902, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 12739902 in words is "twelve million, seven hundred thirty-nine thousand, nine hundred two".