12696622 has 4 divisors (see below), whose sum is σ = 19044936. Its totient is φ = 6348310.

The previous prime is 12696611. The next prime is 12696631. The reversal of 12696622 is 22669621.

12696622 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.

It is a super-2 number, since 2×12696622² = 322408420421768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3174154 + ... + 3174157.

It is an arithmetic number, because the mean of its divisors is an integer number (4761234).

Almost surely, 2^12696622 is an apocalyptic number.

12696622 is a deficient number, since it is larger than the sum of its proper divisors (6348314).

12696622 is an equidigital number, since it uses as much as digits as its factorization.

12696622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348313.

The product of its digits is 15552, while the sum is 34.

The square root of 12696622 is about 3563.2319598926. The cubic root of 12696622 is about 233.2899679047.

The spelling of 12696622 in words is "twelve million, six hundred ninety-six thousand, six hundred twenty-two".