13722133 has 8 divisors (see below), whose sum is σ = 14429880. Its totient is φ = 13030080.

The previous prime is 13722103. The next prime is 13722143. The reversal of 13722133 is 33122731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1034289 + 12687844 = 1017^2 + 3562^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13722133 - 2⁹ = 13721621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13722103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110 + ... + 5647.

It is an arithmetic number, because the mean of its divisors is an integer number (1803735).

Almost surely, 2^13722133 is an apocalyptic number.

It is an amenable number.

13722133 is a deficient number, since it is larger than the sum of its proper divisors (707747).

13722133 is an equidigital number, since it uses as much as digits as its factorization.

13722133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7847.

The product of its digits is 756, while the sum is 22.

The square root of 13722133 is about 3704.3397522366. The cubic root of 13722133 is about 239.4090379419.

Adding to 13722133 its reverse (33122731), we get a palindrome (46844864).

The spelling of 13722133 in words is "thirteen million, seven hundred twenty-two thousand, one hundred thirty-three".