14716421 has 4 divisors (see below), whose sum is σ = 14731500. Its totient is φ = 14701344.

The previous prime is 14716411. The next prime is 14716423. The reversal of 14716421 is 12461741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6225025 + 8491396 = 2495^2 + 2914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14716421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14716423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5966 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (3682875).

Almost surely, 2^14716421 is an apocalyptic number.

It is an amenable number.

14716421 is a deficient number, since it is larger than the sum of its proper divisors (15079).

14716421 is a wasteful number, since it uses less digits than its factorization.

14716421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15078.

The product of its digits is 1344, while the sum is 26.

The square root of 14716421 is about 3836.1987696156. The cubic root of 14716421 is about 245.0571628385.

The spelling of 14716421 in words is "fourteen million, seven hundred sixteen thousand, four hundred twenty-one".