14961691 has 2 divisors, whose sum is σ = 14961692. Its totient is φ = 14961690.

The previous prime is 14961689. The next prime is 14961719. The reversal of 14961691 is 19616941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14961691 - 2¹ = 14961689 is a prime.

Together with 14961689, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14961691.

It is not a weakly prime, because it can be changed into another prime (14961631) 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, 7480845 + 7480846.

It is an arithmetic number, because the mean of its divisors is an integer number (7480846).

Almost surely, 2^14961691 is an apocalyptic number.

14961691 is a deficient number, since it is larger than the sum of its proper divisors (1).

14961691 is an equidigital number, since it uses as much as digits as its factorization.

14961691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 37.

The square root of 14961691 is about 3868.0345138067. The cubic root of 14961691 is about 246.4110770710.

The spelling of 14961691 in words is "fourteen million, nine hundred sixty-one thousand, six hundred ninety-one".