13718322 has 42 divisors (see below), whose sum is σ = 31173453. Its totient is φ = 4525632.

The previous prime is 13718321. The next prime is 13718329. The reversal of 13718322 is 22381731.

It can be written as a sum of positive squares in 2 ways, for example, as 13682601 + 35721 = 3699^2 + 189^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2619.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13718321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 141378 + ... + 141474.

Almost surely, 2^13718322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13718322

13718322 is an abundant number, since it is smaller than the sum of its proper divisors (17455131).

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

13718322 is an frugal number, since it uses more digits than its factorization.

13718322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 102 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 13718322 is about 3703.8253198551. The cubic root of 13718322 is about 239.3868724782.

The spelling of 13718322 in words is "thirteen million, seven hundred eighteen thousand, three hundred twenty-two".