13261387822 has 8 divisors (see below), whose sum is σ = 19995150096. Its totient is φ = 6596337792.

The previous prime is 13261387759. The next prime is 13261387837. The reversal of 13261387822 is 22878316231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17177578 + ... + 17178349.

It is an arithmetic number, because the mean of its divisors is an integer number (2499393762).

Almost surely, 2^13261387822 is an apocalyptic number.

13261387822 is a deficient number, since it is larger than the sum of its proper divisors (6733762274).

13261387822 is a wasteful number, since it uses less digits than its factorization.

13261387822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34356122.

The product of its digits is 193536, while the sum is 43.

The spelling of 13261387822 in words is "thirteen billion, two hundred sixty-one million, three hundred eighty-seven thousand, eight hundred twenty-two".