13226005556 has 24 divisors (see below), whose sum is σ = 23754951360. Its totient is φ = 6441095232.

The previous prime is 13226005547. The next prime is 13226005613. The reversal of 13226005556 is 65550062231.

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, 253400 + ... + 301103.

It is an arithmetic number, because the mean of its divisors is an integer number (989789640).

Almost surely, 2^13226005556 is an apocalyptic number.

It is an amenable number.

13226005556 is a deficient number, since it is larger than the sum of its proper divisors (10528945804).

13226005556 is a wasteful number, since it uses less digits than its factorization.

13226005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554663 (or 554661 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 13226005556 its reverse (65550062231), we get a palindrome (78776067787).

The spelling of 13226005556 in words is "thirteen billion, two hundred twenty-six million, five thousand, five hundred fifty-six".