12704022 has 12 divisors (see below), whose sum is σ = 27525420. Its totient is φ = 4234668.

The previous prime is 12704009. The next prime is 12704023. The reversal of 12704022 is 22040721.

It is a super-2 number, since 2×12704022² = 322784349952968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 705779 = 12704022 / (1 + 2 + 7 + 0 + 4 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12703986 and 12704004.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352872 + ... + 352907.

It is an arithmetic number, because the mean of its divisors is an integer number (2293785).

Almost surely, 2^12704022 is an apocalyptic number.

12704022 is an abundant number, since it is smaller than the sum of its proper divisors (14821398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12704022 is a wasteful number, since it uses less digits than its factorization.

12704022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705787 (or 705784 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 12704022 is about 3564.2701917784. The cubic root of 12704022 is about 233.3352820699.

Adding to 12704022 its reverse (22040721), we get a palindrome (34744743).

The spelling of 12704022 in words is "twelve million, seven hundred four thousand, twenty-two".