14721916 has 48 divisors (see below), whose sum is σ = 29393280. Its totient is φ = 6393920.

The previous prime is 14721901. The next prime is 14721919. The reversal of 14721916 is 61912741.

14721916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14721916² = 433469621422112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14721919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137535 + ... + 137641.

It is an arithmetic number, because the mean of its divisors is an integer number (612360).

Almost surely, 2^14721916 is an apocalyptic number.

It is an amenable number.

14721916 is a deficient number, since it is larger than the sum of its proper divisors (14671364).

14721916 is a wasteful number, since it uses less digits than its factorization.

14721916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 232 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 14721916 is about 3836.9149065362. The cubic root of 14721916 is about 245.0876598717.

The spelling of 14721916 in words is "fourteen million, seven hundred twenty-one thousand, nine hundred sixteen".