13913693 has 2 divisors, whose sum is σ = 13913694. Its totient is φ = 13913692.

The previous prime is 13913687. The next prime is 13913729. The reversal of 13913693 is 39631931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 6285049 = 2762^2 + 2507^2 .

It is an emirp because it is prime and its reverse (39631931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13913693 - 2⁴ = 13913677 is a prime.

It is equal to p₉₀₄₈₉₅ and since 13913693 and 904895 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13913623) 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, 6956846 + 6956847.

It is an arithmetic number, because the mean of its divisors is an integer number (6956847).

Almost surely, 2^13913693 is an apocalyptic number.

It is an amenable number.

13913693 is a deficient number, since it is larger than the sum of its proper divisors (1).

13913693 is an equidigital number, since it uses as much as digits as its factorization.

13913693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122, while the sum is 35.

The square root of 13913693 is about 3730.1062987534. The cubic root of 13913693 is about 240.5179381592.

The spelling of 13913693 in words is "thirteen million, nine hundred thirteen thousand, six hundred ninety-three".