14842921 has 4 divisors (see below), whose sum is σ = 15716052. Its totient is φ = 13969792.

The previous prime is 14842913. The next prime is 14842939. The reversal of 14842921 is 12924841.

14842921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13402921 + 1440000 = 3661^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 14842921 - 2³ = 14842913 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14842901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436540 + ... + 436573.

It is an arithmetic number, because the mean of its divisors is an integer number (3929013).

Almost surely, 2^14842921 is an apocalyptic number.

It is an amenable number.

14842921 is a deficient number, since it is larger than the sum of its proper divisors (873131).

14842921 is an equidigital number, since it uses as much as digits as its factorization.

14842921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873130.

The product of its digits is 4608, while the sum is 31.

The square root of 14842921 is about 3852.6511651070. The cubic root of 14842921 is about 245.7573178998.

The spelling of 14842921 in words is "fourteen million, eight hundred forty-two thousand, nine hundred twenty-one".