13722116 has 12 divisors (see below), whose sum is σ = 24662988. Its totient is φ = 6675552.

The previous prime is 13722103. The next prime is 13722143. The reversal of 13722116 is 61122731.

It can be written as a sum of positive squares in 2 ways, for example, as 12390400 + 1331716 = 3520^2 + 1154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13722091 and 13722100.

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, 46211 + ... + 46506.

It is an arithmetic number, because the mean of its divisors is an integer number (2055249).

Almost surely, 2^13722116 is an apocalyptic number.

It is an amenable number.

13722116 is a deficient number, since it is larger than the sum of its proper divisors (10940872).

13722116 is a wasteful number, since it uses less digits than its factorization.

13722116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92758 (or 92756 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 13722116 is about 3704.3374576299. The cubic root of 13722116 is about 239.4089390759.

Adding to 13722116 its reverse (61122731), we get a palindrome (74844847).

The spelling of 13722116 in words is "thirteen million, seven hundred twenty-two thousand, one hundred sixteen".