12718494 has 48 divisors (see below), whose sum is σ = 29712384. Its totient is φ = 3920400.

The previous prime is 12718493. The next prime is 12718513. The reversal of 12718494 is 49481721.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12718493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12339 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (619008).

Almost surely, 2^12718494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12718494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14856192).

12718494 is an abundant number, since it is smaller than the sum of its proper divisors (16993890).

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

12718494 is a wasteful number, since it uses less digits than its factorization.

12718494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1050 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12718494 is about 3566.2997630597. The cubic root of 12718494 is about 233.4238510484.

The spelling of 12718494 in words is "twelve million, seven hundred eighteen thousand, four hundred ninety-four".