14972421 has 8 divisors (see below), whose sum is σ = 20450304. Its totient is φ = 9738080.

The previous prime is 14972413. The next prime is 14972431. The reversal of 14972421 is 12427941.

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 14972421 - 2³ = 14972413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14972431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60741 + ... + 60986.

It is an arithmetic number, because the mean of its divisors is an integer number (2556288).

Almost surely, 2^14972421 is an apocalyptic number.

It is an amenable number.

14972421 is a deficient number, since it is larger than the sum of its proper divisors (5477883).

14972421 is a wasteful number, since it uses less digits than its factorization.

14972421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121771.

The product of its digits is 4032, while the sum is 30.

The square root of 14972421 is about 3869.4212745577. The cubic root of 14972421 is about 246.4699687887.

The spelling of 14972421 in words is "fourteen million, nine hundred seventy-two thousand, four hundred twenty-one".