13746731 has 2 divisors, whose sum is σ = 13746732. Its totient is φ = 13746730.

The previous prime is 13746653. The next prime is 13746737. The reversal of 13746731 is 13764731.

It is a strong prime.

It is an emirp because it is prime and its reverse (13764731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13746731 - 2²² = 9552427 is a prime.

It is a super-2 number, since 2×13746731² = 377945226372722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13746737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6873365 + 6873366.

It is an arithmetic number, because the mean of its divisors is an integer number (6873366).

Almost surely, 2^13746731 is an apocalyptic number.

13746731 is a deficient number, since it is larger than the sum of its proper divisors (1).

13746731 is an equidigital number, since it uses as much as digits as its factorization.

13746731 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 13746731 is about 3707.6584254756. The cubic root of 13746731 is about 239.5520057102.

The spelling of 13746731 in words is "thirteen million, seven hundred forty-six thousand, seven hundred thirty-one".