13457226788 has 12 divisors (see below), whose sum is σ = 23613286620. Its totient is φ = 6710573472.

The previous prime is 13457226781. The next prime is 13457226803. The reversal of 13457226788 is 88762275431.

It can be written as a sum of positive squares in 2 ways, for example, as 8575130404 + 4882096384 = 92602^2 + 69872^2 .

It is not an unprimeable number, because it can be changed into a prime (13457226781) 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, 4508303 + ... + 4511286.

It is an arithmetic number, because the mean of its divisors is an integer number (1967773885).

Almost surely, 2^13457226788 is an apocalyptic number.

It is an amenable number.

13457226788 is a deficient number, since it is larger than the sum of its proper divisors (10156059832).

13457226788 is a wasteful number, since it uses less digits than its factorization.

13457226788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019966 (or 9019964 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 53.

The spelling of 13457226788 in words is "thirteen billion, four hundred fifty-seven million, two hundred twenty-six thousand, seven hundred eighty-eight".