14995821 has 8 divisors (see below), whose sum is σ = 20012320. Its totient is φ = 9988272.

The previous prime is 14995817. The next prime is 14995831. The reversal of 14995821 is 12859941.

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

It is not a de Polignac number, because 14995821 - 2² = 14995817 is a prime.

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 14995821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14995831) 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 7 ways as a sum of consecutive naturals, for example, 5475 + ... + 7743.

It is an arithmetic number, because the mean of its divisors is an integer number (2501540).

Almost surely, 2^14995821 is an apocalyptic number.

It is an amenable number.

14995821 is a deficient number, since it is larger than the sum of its proper divisors (5016499).

14995821 is a wasteful number, since it uses less digits than its factorization.

14995821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475.

The product of its digits is 25920, while the sum is 39.

The square root of 14995821 is about 3872.4438020454. The cubic root of 14995821 is about 246.5983024163.

The spelling of 14995821 in words is "fourteen million, nine hundred ninety-five thousand, eight hundred twenty-one".