12734340 has 24 divisors (see below), whose sum is σ = 35656320. Its totient is φ = 3395808.

The previous prime is 12734317. The next prime is 12734353. The reversal of 12734340 is 4343721.

It is a self number, because there is not a number n which added to its sum of digits gives 12734340.

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, 106060 + ... + 106179.

It is an arithmetic number, because the mean of its divisors is an integer number (1485680).

Almost surely, 2^12734340 is an apocalyptic number.

12734340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12734340 is an abundant number, since it is smaller than the sum of its proper divisors (22921980).

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

12734340 is a wasteful number, since it uses less digits than its factorization.

12734340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212251 (or 212249 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 12734340 is about 3568.5207019156. The cubic root of 12734340 is about 233.5207519152.

The spelling of 12734340 in words is "twelve million, seven hundred thirty-four thousand, three hundred forty".