14842981 has 4 divisors (see below), whose sum is σ = 15488352. Its totient is φ = 14197612.

The previous prime is 14842969. The next prime is 14842987. The reversal of 14842981 is 18924841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18924841 = 13 ⋅1455757.

It is a cyclic number.

It is not a de Polignac number, because 14842981 - 2¹¹ = 14840933 is a prime.

It is a super-3 number, since 3×14842981³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14842981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14842987) 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 3 ways as a sum of consecutive naturals, for example, 322651 + ... + 322696.

It is an arithmetic number, because the mean of its divisors is an integer number (3872088).

Almost surely, 2^14842981 is an apocalyptic number.

It is an amenable number.

14842981 is a deficient number, since it is larger than the sum of its proper divisors (645371).

14842981 is an equidigital number, since it uses as much as digits as its factorization.

14842981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645370.

The product of its digits is 18432, while the sum is 37.

The square root of 14842981 is about 3852.6589519447. The cubic root of 14842981 is about 245.7576490435.

It can be divided in two parts, 1484 and 2981, that added together give a triangular number (4465 = T₉₄).

The spelling of 14842981 in words is "fourteen million, eight hundred forty-two thousand, nine hundred eighty-one".