14987417 has 2 divisors, whose sum is σ = 14987418. Its totient is φ = 14987416.

The previous prime is 14987381. The next prime is 14987419. The reversal of 14987417 is 71478941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11689561 + 3297856 = 3419^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 14987417 - 2¹⁰ = 14986393 is a prime.

Together with 14987419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14987419) 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 as a sum of consecutive naturals, namely, 7493708 + 7493709.

It is an arithmetic number, because the mean of its divisors is an integer number (7493709).

Almost surely, 2^14987417 is an apocalyptic number.

It is an amenable number.

14987417 is a deficient number, since it is larger than the sum of its proper divisors (1).

14987417 is an equidigital number, since it uses as much as digits as its factorization.

14987417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 41.

The square root of 14987417 is about 3871.3585470736. The cubic root of 14987417 is about 246.5522273710.

The spelling of 14987417 in words is "fourteen million, nine hundred eighty-seven thousand, four hundred seventeen".