12220677 has 12 divisors (see below), whose sum is σ = 20173920. Its totient is φ = 6983208.

The previous prime is 12220673. The next prime is 12220699. The reversal of 12220677 is 77602221.

12220677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12220677 - 2² = 12220673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96927 + ... + 97052.

It is an arithmetic number, because the mean of its divisors is an integer number (1681160).

Almost surely, 2^12220677 is an apocalyptic number.

It is an amenable number.

12220677 is a deficient number, since it is larger than the sum of its proper divisors (7953243).

12220677 is a wasteful number, since it uses less digits than its factorization.

12220677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193992 (or 193989 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 12220677 is about 3495.8084901779. The cubic root of 12220677 is about 230.3377331917.

Adding to 12220677 its reverse (77602221), we get a palindrome (89822898).

The spelling of 12220677 in words is "twelve million, two hundred twenty thousand, six hundred seventy-seven".