13964761 has 2 divisors, whose sum is σ = 13964762. Its totient is φ = 13964760.

The previous prime is 13964759. The next prime is 13964767. The reversal of 13964761 is 16746931.

13964761 is nontrivially palindromic in base 5.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9803161 + 4161600 = 3131^2 + 2040^2 .

It is an emirp because it is prime and its reverse (16746931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13964761 - 2¹ = 13964759 is a prime.

Together with 13964759, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13964761.

It is not a weakly prime, because it can be changed into another prime (13964767) 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, 6982380 + 6982381.

It is an arithmetic number, because the mean of its divisors is an integer number (6982381).

Almost surely, 2^13964761 is an apocalyptic number.

It is an amenable number.

13964761 is a deficient number, since it is larger than the sum of its proper divisors (1).

13964761 is an equidigital number, since it uses as much as digits as its factorization.

13964761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 13964761 is about 3736.9454103586. The cubic root of 13964761 is about 240.8118398409.

The spelling of 13964761 in words is "thirteen million, nine hundred sixty-four thousand, seven hundred sixty-one".