13422866 has 8 divisors (see below), whose sum is σ = 20207820. Its totient is φ = 6686928.

The previous prime is 13422859. The next prime is 13422881. The reversal of 13422866 is 66822431.

It can be written as a sum of positive squares in 2 ways, for example, as 11363641 + 2059225 = 3371^2 + 1435^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11561 + ... + 12668.

Almost surely, 2^13422866 is an apocalyptic number.

13422866 is a deficient number, since it is larger than the sum of its proper divisors (6784954).

13422866 is a wasteful number, since it uses less digits than its factorization.

13422866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24508.

The product of its digits is 13824, while the sum is 32.

The square root of 13422866 is about 3663.7229698764. The cubic root of 13422866 is about 237.6558002656.

The spelling of 13422866 in words is "thirteen million, four hundred twenty-two thousand, eight hundred sixty-six".