14586421 has 2 divisors, whose sum is σ = 14586422. Its totient is φ = 14586420.

The previous prime is 14586401. The next prime is 14586431. The reversal of 14586421 is 12468541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10923025 + 3663396 = 3305^2 + 1914^2 .

It is a cyclic number.

It is not a de Polignac number, because 14586421 - 2⁷ = 14586293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14586401) 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 as a sum of consecutive naturals, namely, 7293210 + 7293211.

It is an arithmetic number, because the mean of its divisors is an integer number (7293211).

Almost surely, 2^14586421 is an apocalyptic number.

It is an amenable number.

14586421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14586421 is an equidigital number, since it uses as much as digits as its factorization.

14586421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 31.

The square root of 14586421 is about 3819.2173281970. The cubic root of 14586421 is about 244.3334429370. Note that the first 3 decimals are identical.

The spelling of 14586421 in words is "fourteen million, five hundred eighty-six thousand, four hundred twenty-one".