13722894 has 24 divisors (see below), whose sum is σ = 30693312. Its totient is φ = 4426560.

The previous prime is 13722889. The next prime is 13722901. The reversal of 13722894 is 49822731.

13722894 is a `hidden beast` number, since 1 + 372 + 289 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11739 + ... + 12854.

It is an arithmetic number, because the mean of its divisors is an integer number (1278888).

Almost surely, 2^13722894 is an apocalyptic number.

13722894 is an abundant number, since it is smaller than the sum of its proper divisors (16970418).

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

13722894 is a wasteful number, since it uses less digits than its factorization.

13722894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24632 (or 24629 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 13722894 is about 3704.4424681725. The cubic root of 13722894 is about 239.4134635636.

The spelling of 13722894 in words is "thirteen million, seven hundred twenty-two thousand, eight hundred ninety-four".