12704522 has 8 divisors (see below), whose sum is σ = 19500096. Its totient is φ = 6204492.

The previous prime is 12704507. The next prime is 12704537. The reversal of 12704522 is 22540721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12704507) and next prime (12704537).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12704522³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 73778 + ... + 73949.

It is an arithmetic number, because the mean of its divisors is an integer number (2437512).

Almost surely, 2^12704522 is an apocalyptic number.

12704522 is a deficient number, since it is larger than the sum of its proper divisors (6795574).

12704522 is a wasteful number, since it uses less digits than its factorization.

12704522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147772.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12704522 is about 3564.3403316743. The cubic root of 12704522 is about 233.3383432031.

The spelling of 12704522 in words is "twelve million, seven hundred four thousand, five hundred twenty-two".