12697422 has 16 divisors (see below), whose sum is σ = 25874640. Its totient is φ = 4152512.

The previous prime is 12697409. The next prime is 12697441. The reversal of 12697422 is 22479621.

It is a super-2 number, since 2×12697422² = 322449050892168, 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 in 7 ways as a sum of consecutive naturals, for example, 19647 + ... + 20282.

It is an arithmetic number, because the mean of its divisors is an integer number (1617165).

Almost surely, 2^12697422 is an apocalyptic number.

12697422 is an abundant number, since it is smaller than the sum of its proper divisors (13177218).

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

12697422 is a wasteful number, since it uses less digits than its factorization.

12697422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39987.

The product of its digits is 12096, while the sum is 33.

The square root of 12697422 is about 3563.3442157614. The cubic root of 12697422 is about 233.2948675820.

The spelling of 12697422 in words is "twelve million, six hundred ninety-seven thousand, four hundred twenty-two".