14642387 has 2 divisors, whose sum is σ = 14642388. Its totient is φ = 14642386.

The previous prime is 14642351. The next prime is 14642429. The reversal of 14642387 is 78324641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14642387 - 2¹⁸ = 14380243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14642347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7321193 + 7321194.

It is an arithmetic number, because the mean of its divisors is an integer number (7321194).

Almost surely, 2^14642387 is an apocalyptic number.

14642387 is a deficient number, since it is larger than the sum of its proper divisors (1).

14642387 is an equidigital number, since it uses as much as digits as its factorization.

14642387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 14642387 is about 3826.5372074501. The cubic root of 14642387 is about 244.6455348887.

The spelling of 14642387 in words is "fourteen million, six hundred forty-two thousand, three hundred eighty-seven".