13722514 has 8 divisors (see below), whose sum is σ = 22167180. Its totient is φ = 6333456.

The previous prime is 13722479. The next prime is 13722517. The reversal of 13722514 is 41522731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13446889 + 275625 = 3667^2 + 525^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13722517) 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 3 ways as a sum of consecutive naturals, for example, 263869 + ... + 263920.

Almost surely, 2^13722514 is an apocalyptic number.

13722514 is a deficient number, since it is larger than the sum of its proper divisors (8444666).

13722514 is a wasteful number, since it uses less digits than its factorization.

13722514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527804.

The product of its digits is 1680, while the sum is 25.

The square root of 13722514 is about 3704.3911780480. The cubic root of 13722514 is about 239.4112536810.

The spelling of 13722514 in words is "thirteen million, seven hundred twenty-two thousand, five hundred fourteen".