14617891 has 2 divisors, whose sum is σ = 14617892. Its totient is φ = 14617890.

The previous prime is 14617847. The next prime is 14617907. The reversal of 14617891 is 19871641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14617891 - 2¹⁷ = 14486819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14617891.

It is not a weakly prime, because it can be changed into another prime (14617091) 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, 7308945 + 7308946.

It is an arithmetic number, because the mean of its divisors is an integer number (7308946).

Almost surely, 2^14617891 is an apocalyptic number.

14617891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14617891 is an equidigital number, since it uses as much as digits as its factorization.

14617891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 14617891 is about 3823.3350624814. The cubic root of 14617891 is about 244.5090320530.

The spelling of 14617891 in words is "fourteen million, six hundred seventeen thousand, eight hundred ninety-one".