12717401 has 4 divisors (see below), whose sum is σ = 12988032. Its totient is φ = 12446772.

The previous prime is 12717361. The next prime is 12717407. The reversal of 12717401 is 10471721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10471721 = 13 ⋅805517.

It is a cyclic number.

It is not a de Polignac number, because 12717401 - 2¹⁸ = 12455257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12717407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135245 + ... + 135338.

It is an arithmetic number, because the mean of its divisors is an integer number (3247008).

Almost surely, 2^12717401 is an apocalyptic number.

It is an amenable number.

12717401 is a deficient number, since it is larger than the sum of its proper divisors (270631).

12717401 is an equidigital number, since it uses as much as digits as its factorization.

12717401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270630.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 12717401 is about 3566.1465197044. The cubic root of 12717401 is about 233.4171642091.

The spelling of 12717401 in words is "twelve million, seven hundred seventeen thousand, four hundred one".