14687947 has 2 divisors, whose sum is σ = 14687948. Its totient is φ = 14687946.

The previous prime is 14687909. The next prime is 14687951. The reversal of 14687947 is 74978641.

14687947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14687947 - 2¹⁹ = 14163659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14687897 and 14687906.

It is not a weakly prime, because it can be changed into another prime (14687957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7343973 + 7343974.

It is an arithmetic number, because the mean of its divisors is an integer number (7343974).

Almost surely, 2^14687947 is an apocalyptic number.

14687947 is a deficient number, since it is larger than the sum of its proper divisors (1).

14687947 is an equidigital number, since it uses as much as digits as its factorization.

14687947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 14687947 is about 3832.4857468750. The cubic root of 14687947 is about 244.8990115508.

The spelling of 14687947 in words is "fourteen million, six hundred eighty-seven thousand, nine hundred forty-seven".