13722696 has 112 divisors (see below), whose sum is σ = 41774460. Its totient is φ = 4199040.

The previous prime is 13722691. The next prime is 13722721. The reversal of 13722696 is 69622731.

It can be written as a sum of positive squares in 2 ways, for example, as 10150596 + 3572100 = 3186^2 + 1890^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13722696.

It is not an unprimeable number, because it can be changed into a prime (13722691) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 75726 + ... + 75906.

Almost surely, 2^13722696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13722696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20887230).

13722696 is an abundant number, since it is smaller than the sum of its proper divisors (28051764).

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

13722696 is a wasteful number, since it uses less digits than its factorization.

13722696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 199 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 13722696 is about 3704.4157434068. The cubic root of 13722696 is about 239.4123121035.

The spelling of 13722696 in words is "thirteen million, seven hundred twenty-two thousand, six hundred ninety-six".