12704029 has 4 divisors (see below), whose sum is σ = 13681276. Its totient is φ = 11726784.

The previous prime is 12704023. The next prime is 12704089. The reversal of 12704029 is 92040721.

12704029 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 an emirpimes, since its reverse is a distinct semiprime: 92040721 = 163 ⋅564667.

It can be written as a sum of positive squares in 2 ways, for example, as 8398404 + 4305625 = 2898^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 12704029 - 2⁵ = 12703997 is a prime.

It is a super-2 number, since 2×12704029² = 322784705665682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12703994 and 12704012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704023) 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, 488604 + ... + 488629.

It is an arithmetic number, because the mean of its divisors is an integer number (3420319).

Almost surely, 2^12704029 is an apocalyptic number.

It is an amenable number.

12704029 is a deficient number, since it is larger than the sum of its proper divisors (977247).

12704029 is an equidigital number, since it uses as much as digits as its factorization.

12704029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977246.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12704029 is about 3564.2711737465. The cubic root of 12704029 is about 233.3353249263.

The spelling of 12704029 in words is "twelve million, seven hundred four thousand, twenty-nine".