12739734 has 32 divisors (see below), whose sum is σ = 32355840. Its totient is φ = 3639816.

The previous prime is 12739721. The next prime is 12739763. The reversal of 12739734 is 43793721.

It is a congruent 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, 16474 + ... + 17229.

It is an arithmetic number, because the mean of its divisors is an integer number (1011120).

Almost surely, 2^12739734 is an apocalyptic number.

12739734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12739734 is an abundant number, since it is smaller than the sum of its proper divisors (19616106).

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

12739734 is a wasteful number, since it uses less digits than its factorization.

12739734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33721 (or 33715 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 12739734 is about 3569.2763972548. The cubic root of 12739734 is about 233.5537187626.

The spelling of 12739734 in words is "twelve million, seven hundred thirty-nine thousand, seven hundred thirty-four".