12716641 has 12 divisors (see below), whose sum is σ = 14947968. Its totient is φ = 10597392.

The previous prime is 12716633. The next prime is 12716651. The reversal of 12716641 is 14661721.

It is not a de Polignac number, because 12716641 - 2³ = 12716633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12716621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8920 + ... + 10246.

It is an arithmetic number, because the mean of its divisors is an integer number (1245664).

Almost surely, 2^12716641 is an apocalyptic number.

It is an amenable number.

12716641 is a deficient number, since it is larger than the sum of its proper divisors (2231327).

12716641 is an equidigital number, since it uses as much as digits as its factorization.

12716641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1371 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 12716641 is about 3566.0399605164. The cubic root of 12716641 is about 233.4125143969.

The spelling of 12716641 in words is "twelve million, seven hundred sixteen thousand, six hundred forty-one".