12714840 has 128 divisors (see below), whose sum is σ = 43300800. Its totient is φ = 3317760.

The previous prime is 12714839. The next prime is 12714851. The reversal of 12714840 is 4841721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65784 + ... + 65976.

Almost surely, 2^12714840 is an apocalyptic number.

12714840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12714840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21650400).

12714840 is an abundant number, since it is smaller than the sum of its proper divisors (30585960).

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

12714840 is a wasteful number, since it uses less digits than its factorization.

12714840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 12714840 is about 3565.7874305685. The cubic root of 12714840 is about 233.4014948259.

The spelling of 12714840 in words is "twelve million, seven hundred fourteen thousand, eight hundred forty".