13722398 has 16 divisors (see below), whose sum is σ = 22173696. Its totient is φ = 6350520.

The previous prime is 13722361. The next prime is 13722403. The reversal of 13722398 is 89322731.

13722398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3386 + ... + 6237.

It is an arithmetic number, because the mean of its divisors is an integer number (1385856).

Almost surely, 2^13722398 is an apocalyptic number.

13722398 is a deficient number, since it is larger than the sum of its proper divisors (8451298).

13722398 is a wasteful number, since it uses less digits than its factorization.

13722398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9679.

The product of its digits is 18144, while the sum is 35.

The square root of 13722398 is about 3704.3755209212. The cubic root of 13722398 is about 239.4105790771.

The spelling of 13722398 in words is "thirteen million, seven hundred twenty-two thousand, three hundred ninety-eight".