13922694 has 48 divisors (see below), whose sum is σ = 32247072. Its totient is φ = 4326144.

The previous prime is 13922663. The next prime is 13922717. The reversal of 13922694 is 49622931.

13922694 is a `hidden beast` number, since 1 + 392 + 269 + 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 23 ways as a sum of consecutive naturals, for example, 52807 + ... + 53069.

It is an arithmetic number, because the mean of its divisors is an integer number (671814).

Almost surely, 2^13922694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13922694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16123536).

13922694 is an abundant number, since it is smaller than the sum of its proper divisors (18324378).

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

13922694 is a wasteful number, since it uses less digits than its factorization.

13922694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 458 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 13922694 is about 3731.3126376652. The cubic root of 13922694 is about 240.5697920006.

The spelling of 13922694 in words is "thirteen million, nine hundred twenty-two thousand, six hundred ninety-four".