13722159 has 8 divisors (see below), whose sum is σ = 19959552. Its totient is φ = 8316440.

The previous prime is 13722157. The next prime is 13722197. The reversal of 13722159 is 95122731.

13722159 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13722159 - 2¹ = 13722157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13722157) 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, 207879 + ... + 207944.

It is an arithmetic number, because the mean of its divisors is an integer number (2494944).

Almost surely, 2^13722159 is an apocalyptic number.

13722159 is a deficient number, since it is larger than the sum of its proper divisors (6237393).

13722159 is a wasteful number, since it uses less digits than its factorization.

13722159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415837.

The product of its digits is 3780, while the sum is 30.

The square root of 13722159 is about 3704.3432616322. The cubic root of 13722159 is about 239.4091891485.

The spelling of 13722159 in words is "thirteen million, seven hundred twenty-two thousand, one hundred fifty-nine".