12704197 has 4 divisors (see below), whose sum is σ = 13859136. Its totient is φ = 11549260.

The previous prime is 12704189. The next prime is 12704201. The reversal of 12704197 is 79140721.

12704197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 79140721 = 11 ⋅7194611.

It is a cyclic number.

It is not a de Polignac number, because 12704197 - 2³ = 12704189 is a prime.

It is a super-2 number, since 2×12704197² = 322793242829618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704177) 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, 577453 + ... + 577474.

It is an arithmetic number, because the mean of its divisors is an integer number (3464784).

Almost surely, 2^12704197 is an apocalyptic number.

It is an amenable number.

12704197 is a deficient number, since it is larger than the sum of its proper divisors (1154939).

12704197 is a wasteful number, since it uses less digits than its factorization.

12704197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154938.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12704197 is about 3564.2947408990. The cubic root of 12704197 is about 233.3363534756.

The spelling of 12704197 in words is "twelve million, seven hundred four thousand, one hundred ninety-seven".