13454731 has 2 divisors, whose sum is σ = 13454732. Its totient is φ = 13454730.

The previous prime is 13454723. The next prime is 13454741. The reversal of 13454731 is 13745431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13454731 - 2³ = 13454723 is a prime.

It is a super-2 number, since 2×13454731² = 362059572564722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13454731.

It is not a weakly prime, because it can be changed into another prime (13454711) 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, 6727365 + 6727366.

It is an arithmetic number, because the mean of its divisors is an integer number (6727366).

Almost surely, 2^13454731 is an apocalyptic number.

13454731 is a deficient number, since it is larger than the sum of its proper divisors (1).

13454731 is an equidigital number, since it uses as much as digits as its factorization.

13454731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 13454731 is about 3668.0691105812. The cubic root of 13454731 is about 237.8437113879.

The spelling of 13454731 in words is "thirteen million, four hundred fifty-four thousand, seven hundred thirty-one".