14093721 has 6 divisors (see below), whose sum is σ = 20357610. Its totient is φ = 9395808.

The previous prime is 14093711. The next prime is 14093741. The reversal of 14093721 is 12739041.

It can be written as a sum of positive squares in only one way, i.e., 10634121 + 3459600 = 3261^2 + 1860^2 .

It is not a de Polignac number, because 14093721 - 2⁵ = 14093689 is a prime.

It is a super-3 number, since 3×14093721³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (14093711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 782976 + ... + 782993.

It is an arithmetic number, because the mean of its divisors is an integer number (3392935).

Almost surely, 2^14093721 is an apocalyptic number.

It is an amenable number.

14093721 is a deficient number, since it is larger than the sum of its proper divisors (6263889).

14093721 is a wasteful number, since it uses less digits than its factorization.

14093721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565975 (or 1565972 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 14093721 is about 3754.1604920408. The cubic root of 14093721 is about 241.5508425290.

The spelling of 14093721 in words is "fourteen million, ninety-three thousand, seven hundred twenty-one".