14709921 has 8 divisors (see below), whose sum is σ = 19639104. Its totient is φ = 9793680.

The previous prime is 14709889. The next prime is 14709923. The reversal of 14709921 is 12990741.

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

It is not a de Polignac number, because 14709921 - 2⁵ = 14709889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14709923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (2454888).

Almost surely, 2^14709921 is an apocalyptic number.

It is an amenable number.

14709921 is a deficient number, since it is larger than the sum of its proper divisors (4929183).

14709921 is an equidigital number, since it uses as much as digits as its factorization.

14709921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 14709921 is about 3835.3514832411. The cubic root of 14709921 is about 245.0210782920.

The spelling of 14709921 in words is "fourteen million, seven hundred nine thousand, nine hundred twenty-one".