12704669 has 4 divisors (see below), whose sum is σ = 12883680. Its totient is φ = 12525660.

The previous prime is 12704663. The next prime is 12704693. The reversal of 12704669 is 96640721.

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: 96640721 = 1427 ⋅67723.

It is a cyclic number.

It is not a de Polignac number, because 12704669 - 2⁸ = 12704413 is a prime.

It is a super-2 number, since 2×12704669² = 322817228799122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704663) 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, 89399 + ... + 89540.

It is an arithmetic number, because the mean of its divisors is an integer number (3220920).

Almost surely, 2^12704669 is an apocalyptic number.

It is an amenable number.

12704669 is a deficient number, since it is larger than the sum of its proper divisors (179011).

12704669 is an equidigital number, since it uses as much as digits as its factorization.

12704669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179010.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 12704669 is about 3564.3609525411. The cubic root of 12704669 is about 233.3392431610.

The spelling of 12704669 in words is "twelve million, seven hundred four thousand, six hundred sixty-nine".