13264122556 has 12 divisors (see below), whose sum is σ = 23213101968. Its totient is φ = 6631807712.

The previous prime is 13264122541. The next prime is 13264122559. The reversal of 13264122556 is 65522146231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13264122559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102600 + ... + 192496.

It is an arithmetic number, because the mean of its divisors is an integer number (1934425164).

Almost surely, 2^13264122556 is an apocalyptic number.

It is an amenable number.

13264122556 is a deficient number, since it is larger than the sum of its proper divisors (9948979412).

13264122556 is a wasteful number, since it uses less digits than its factorization.

13264122556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126788 (or 126786 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

Adding to 13264122556 its reverse (65522146231), we get a palindrome (78786268787).

The spelling of 13264122556 in words is "thirteen billion, two hundred sixty-four million, one hundred twenty-two thousand, five hundred fifty-six".