14616921 has 24 divisors (see below), whose sum is σ = 21777952. Its totient is φ = 8712000.

The previous prime is 14616919. The next prime is 14616929. The reversal of 14616921 is 12961641.

It is a happy number.

It is not a de Polignac number, because 14616921 - 2¹ = 14616919 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14616929) 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 23 ways as a sum of consecutive naturals, for example, 24021 + ... + 24621.

Almost surely, 2^14616921 is an apocalyptic number.

14616921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14616921 is a deficient number, since it is larger than the sum of its proper divisors (7161031).

14616921 is a wasteful number, since it uses less digits than its factorization.

14616921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 682 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 14616921 is about 3823.2082077752. The cubic root of 14616921 is about 244.5036236347.

The spelling of 14616921 in words is "fourteen million, six hundred sixteen thousand, nine hundred twenty-one".