13223655436 has 12 divisors (see below), whose sum is σ = 23172548112. Its totient is φ = 6602927408.

The previous prime is 13223655413. The next prime is 13223655463. The reversal of 13223655436 is 63455632231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221735 + ... + 2227678.

It is an arithmetic number, because the mean of its divisors is an integer number (1931045676).

Almost surely, 2^13223655436 is an apocalyptic number.

It is an amenable number.

13223655436 is a deficient number, since it is larger than the sum of its proper divisors (9948892676).

13223655436 is a wasteful number, since it uses less digits than its factorization.

13223655436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450160 (or 4450158 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

The spelling of 13223655436 in words is "thirteen billion, two hundred twenty-three million, six hundred fifty-five thousand, four hundred thirty-six".