13065822774 has 96 divisors (see below), whose sum is σ = 30878475264. Its totient is φ = 4135004640.

The previous prime is 13065822769. The next prime is 13065822779. The reversal of 13065822774 is 47722856031.

13065822774 is a `hidden beast` number, since 1 + 306 + 58 + 227 + 74 = 666.

It is an interprime number because it is at equal distance from previous prime (13065822769) and next prime (13065822779).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13065822779) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 790317 + ... + 806679.

It is an arithmetic number, because the mean of its divisors is an integer number (321650784).

Almost surely, 2^13065822774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13065822774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15439237632).

13065822774 is an abundant number, since it is smaller than the sum of its proper divisors (17812652490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13065822774 is a wasteful number, since it uses less digits than its factorization.

13065822774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464 (or 16452 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 13065822774 in words is "thirteen billion, sixty-five million, eight hundred twenty-two thousand, seven hundred seventy-four".