14999421 has 8 divisors (see below), whose sum is σ = 20104704. Its totient is φ = 9946880.

The previous prime is 14999407. The next prime is 14999431. The reversal of 14999421 is 12499941.

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

It is a cyclic number.

It is not a de Polignac number, because 14999421 - 2¹⁰ = 14998397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14999421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14999431) 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, 12516 + ... + 13661.

It is an arithmetic number, because the mean of its divisors is an integer number (2513088).

Almost surely, 2^14999421 is an apocalyptic number.

It is an amenable number.

14999421 is a deficient number, since it is larger than the sum of its proper divisors (5105283).

14999421 is a wasteful number, since it uses less digits than its factorization.

14999421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26371.

The product of its digits is 23328, while the sum is 39.

The square root of 14999421 is about 3872.9085969075. The cubic root of 14999421 is about 246.6180341993.

The spelling of 14999421 in words is "fourteen million, nine hundred ninety-nine thousand, four hundred twenty-one".