13922072 has 8 divisors (see below), whose sum is σ = 26103900. Its totient is φ = 6961032.

The previous prime is 13922071. The next prime is 13922147. The reversal of 13922072 is 27022931.

13922072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13922071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870122 + ... + 870137.

Almost surely, 2^13922072 is an apocalyptic number.

It is an amenable number.

13922072 is a deficient number, since it is larger than the sum of its proper divisors (12181828).

13922072 is a wasteful number, since it uses less digits than its factorization.

13922072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740265 (or 1740261 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13922072 is about 3731.2292880497. The cubic root of 13922072 is about 240.5662094411.

The spelling of 13922072 in words is "thirteen million, nine hundred twenty-two thousand, seventy-two".