12220893 has 24 divisors (see below), whose sum is σ = 18240768. Its totient is φ = 7880352.

The previous prime is 12220891. The next prime is 12220903. The reversal of 12220893 is 39802221.

It is a happy number.

It is not a de Polignac number, because 12220893 - 2¹ = 12220891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70555 + ... + 70727.

It is an arithmetic number, because the mean of its divisors is an integer number (760032).

Almost surely, 2^12220893 is an apocalyptic number.

It is an amenable number.

12220893 is a deficient number, since it is larger than the sum of its proper divisors (6019875).

12220893 is a wasteful number, since it uses less digits than its factorization.

12220893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12220893 is about 3495.8393841823. The cubic root of 12220893 is about 230.3390902539.

The spelling of 12220893 in words is "twelve million, two hundred twenty thousand, eight hundred ninety-three".