14766421 has 4 divisors (see below), whose sum is σ = 15635052. Its totient is φ = 13897792.

The previous prime is 14766419. The next prime is 14766431. The reversal of 14766421 is 12466741.

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 8491396 + 6275025 = 2914^2 + 2505^2 .

It is a cyclic number.

It is not a de Polignac number, because 14766421 - 2¹ = 14766419 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 (14766431) 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 3 ways as a sum of consecutive naturals, for example, 434290 + ... + 434323.

It is an arithmetic number, because the mean of its divisors is an integer number (3908763).

Almost surely, 2^14766421 is an apocalyptic number.

It is an amenable number.

14766421 is a deficient number, since it is larger than the sum of its proper divisors (868631).

14766421 is an equidigital number, since it uses as much as digits as its factorization.

14766421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868630.

The product of its digits is 8064, while the sum is 31.

The square root of 14766421 is about 3842.7101113667. The cubic root of 14766421 is about 245.3343816823.

The spelling of 14766421 in words is "fourteen million, seven hundred sixty-six thousand, four hundred twenty-one".