13274731 has 2 divisors, whose sum is σ = 13274732. Its totient is φ = 13274730.

The previous prime is 13274719. The next prime is 13274747. The reversal of 13274731 is 13747231.

It is a weak prime.

It is an emirp because it is prime and its reverse (13747231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13274731 - 2¹⁹ = 12750443 is a prime.

It is a super-2 number, since 2×13274731² = 352436966244722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13274731.

It is not a weakly prime, because it can be changed into another prime (13274761) 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, 6637365 + 6637366.

It is an arithmetic number, because the mean of its divisors is an integer number (6637366).

Almost surely, 2^13274731 is an apocalyptic number.

13274731 is a deficient number, since it is larger than the sum of its proper divisors (1).

13274731 is an equidigital number, since it uses as much as digits as its factorization.

13274731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 13274731 is about 3643.4504250779. The cubic root of 13274731 is about 236.7783063411.

The spelling of 13274731 in words is "thirteen million, two hundred seventy-four thousand, seven hundred thirty-one".