13764731 has 2 divisors, whose sum is σ = 13764732. Its totient is φ = 13764730.

The previous prime is 13764719. The next prime is 13764733. The reversal of 13764731 is 13746731.

It is a strong prime.

It is an emirp because it is prime and its reverse (13746731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13764731 is a prime.

It is a super-2 number, since 2×13764731² = 378935639004722, which contains 22 as substring.

Together with 13764733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13764733) 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, 6882365 + 6882366.

It is an arithmetic number, because the mean of its divisors is an integer number (6882366).

Almost surely, 2^13764731 is an apocalyptic number.

13764731 is a deficient number, since it is larger than the sum of its proper divisors (1).

13764731 is an equidigital number, since it uses as much as digits as its factorization.

13764731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 13764731 is about 3710.0850394566. The cubic root of 13764731 is about 239.6565167499.

The spelling of 13764731 in words is "thirteen million, seven hundred sixty-four thousand, seven hundred thirty-one".