12704654173 has 2 divisors, whose sum is σ = 12704654174. Its totient is φ = 12704654172.

The previous prime is 12704654113. The next prime is 12704654197. The reversal of 12704654173 is 37145640721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6968409529 + 5736244644 = 83477^2 + 75738^2 .

It is a cyclic number.

It is not a de Polignac number, because 12704654173 - 2²⁹ = 12167783261 is a prime.

It is a super-2 number, since 2×12704654173² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12704654113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352327086 + 6352327087.

It is an arithmetic number, because the mean of its divisors is an integer number (6352327087).

Almost surely, 2^12704654173 is an apocalyptic number.

It is an amenable number.

12704654173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704654173 is an equidigital number, since it uses as much as digits as its factorization.

12704654173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 12704654173 in words is "twelve billion, seven hundred four million, six hundred fifty-four thousand, one hundred seventy-three".