14939581 has 8 divisors (see below), whose sum is σ = 15704640. Its totient is φ = 14184192.

The previous prime is 14939579. The next prime is 14939591. The reversal of 14939581 is 18593941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14939581 - 2¹ = 14939579 is a prime.

It is a super-2 number, since 2×14939581² = 446382160911122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14939591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861 + ... + 5533.

It is an arithmetic number, because the mean of its divisors is an integer number (1963080).

Almost surely, 2^14939581 is an apocalyptic number.

It is an amenable number.

14939581 is a deficient number, since it is larger than the sum of its proper divisors (765059).

14939581 is a wasteful number, since it uses less digits than its factorization.

14939581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835.

The product of its digits is 38880, while the sum is 40.

The square root of 14939581 is about 3865.1754164591. The cubic root of 14939581 is about 246.2896372589.

The spelling of 14939581 in words is "fourteen million, nine hundred thirty-nine thousand, five hundred eighty-one".