13722486 has 16 divisors (see below), whose sum is σ = 28187184. Its totient is φ = 4450464.

The previous prime is 13722479. The next prime is 13722517. The reversal of 13722486 is 68422731.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30685 + ... + 31128.

It is an arithmetic number, because the mean of its divisors is an integer number (1761699).

Almost surely, 2^13722486 is an apocalyptic number.

13722486 is an abundant number, since it is smaller than the sum of its proper divisors (14464698).

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

13722486 is a wasteful number, since it uses less digits than its factorization.

13722486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61855.

The product of its digits is 16128, while the sum is 33.

The square root of 13722486 is about 3704.3873987476. The cubic root of 13722486 is about 239.4110908459.

The spelling of 13722486 in words is "thirteen million, seven hundred twenty-two thousand, four hundred eighty-six".