14194681 has 2 divisors, whose sum is σ = 14194682. Its totient is φ = 14194680.

The previous prime is 14194679. The next prime is 14194693. The reversal of 14194681 is 18649141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11971600 + 2223081 = 3460^2 + 1491^2 .

It is a cyclic number.

It is not a de Polignac number, because 14194681 - 2¹ = 14194679 is a prime.

It is a super-2 number, since 2×14194681² = 402977937383522, which contains 22 as substring.

Together with 14194679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14192681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7097340 + 7097341.

It is an arithmetic number, because the mean of its divisors is an integer number (7097341).

Almost surely, 2^14194681 is an apocalyptic number.

It is an amenable number.

14194681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14194681 is an equidigital number, since it uses as much as digits as its factorization.

14194681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 14194681 is about 3767.5829121600. The cubic root of 14194681 is about 242.1262517696.

The spelling of 14194681 in words is "fourteen million, one hundred ninety-four thousand, six hundred eighty-one".