14676421 has 2 divisors, whose sum is σ = 14676422. Its totient is φ = 14676420.

The previous prime is 14676419. The next prime is 14676433. The reversal of 14676421 is 12467641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14630625 + 45796 = 3825^2 + 214^2 .

It is an emirp because it is prime and its reverse (12467641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14676421 - 2¹ = 14676419 is a prime.

Together with 14676419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14676451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7338210 + 7338211.

It is an arithmetic number, because the mean of its divisors is an integer number (7338211).

Almost surely, 2^14676421 is an apocalyptic number.

It is an amenable number.

14676421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14676421 is an equidigital number, since it uses as much as digits as its factorization.

14676421 is an evil number, because the sum of its binary digits is even.

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

The square root of 14676421 is about 3830.9817279648. The cubic root of 14676421 is about 244.8349353238.

It can be divided in two parts, 146 and 76421, that added together give a palindrome (76567).

The spelling of 14676421 in words is "fourteen million, six hundred seventy-six thousand, four hundred twenty-one".