13128714 has 12 divisors (see below), whose sum is σ = 28445586. Its totient is φ = 4376232.

The previous prime is 13128707. The next prime is 13128719. The reversal of 13128714 is 41782131.

It can be written as a sum of positive squares in only one way, i.e., 7209225 + 5919489 = 2685^2 + 2433^2 .

It is not an unprimeable number, because it can be changed into a prime (13128719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364669 + ... + 364704.

Almost surely, 2^13128714 is an apocalyptic number.

13128714 is an abundant number, since it is smaller than the sum of its proper divisors (15316872).

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

13128714 is a wasteful number, since it uses less digits than its factorization.

13128714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729381 (or 729378 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 13128714 is about 3623.3567309885. The cubic root of 13128714 is about 235.9069464609.

The spelling of 13128714 in words is "thirteen million, one hundred twenty-eight thousand, seven hundred fourteen".