13722366 has 32 divisors (see below), whose sum is σ = 33212160. Its totient is φ = 3689856.

The previous prime is 13722361. The next prime is 13722403. The reversal of 13722366 is 66322731.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13722361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8896 + ... + 10323.

It is an arithmetic number, because the mean of its divisors is an integer number (1037880).

Almost surely, 2^13722366 is an apocalyptic number.

13722366 is an abundant number, since it is smaller than the sum of its proper divisors (19489794).

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

13722366 is a wasteful number, since it uses less digits than its factorization.

13722366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19248.

The product of its digits is 9072, while the sum is 30.

The square root of 13722366 is about 3704.3712017021. The cubic root of 13722366 is about 239.4103929788.

The spelling of 13722366 in words is "thirteen million, seven hundred twenty-two thousand, three hundred sixty-six".