13774697 has 2 divisors, whose sum is σ = 13774698. Its totient is φ = 13774696.

The previous prime is 13774687. The next prime is 13774703. The reversal of 13774697 is 79647731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11689561 + 2085136 = 3419^2 + 1444^2 .

It is an emirp because it is prime and its reverse (79647731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13774697 - 2²² = 9580393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13774627) 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, 6887348 + 6887349.

It is an arithmetic number, because the mean of its divisors is an integer number (6887349).

Almost surely, 2^13774697 is an apocalyptic number.

It is an amenable number.

13774697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13774697 is an equidigital number, since it uses as much as digits as its factorization.

13774697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 44.

The square root of 13774697 is about 3711.4278923347. The cubic root of 13774697 is about 239.7143418454.

The spelling of 13774697 in words is "thirteen million, seven hundred seventy-four thousand, six hundred ninety-seven".