13540799 has 2 divisors, whose sum is σ = 13540800. Its totient is φ = 13540798.

The previous prime is 13540757. The next prime is 13540801. The reversal of 13540799 is 99704531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13540799 - 2⁸ = 13540543 is a prime.

It is a Sophie Germain prime.

Together with 13540801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13540729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770399 + 6770400.

It is an arithmetic number, because the mean of its divisors is an integer number (6770400).

Almost surely, 2^13540799 is an apocalyptic number.

13540799 is a deficient number, since it is larger than the sum of its proper divisors (1).

13540799 is an equidigital number, since it uses as much as digits as its factorization.

13540799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 13540799 is about 3679.7824663966. The cubic root of 13540799 is about 238.3497846187.

The spelling of 13540799 in words is "thirteen million, five hundred forty thousand, seven hundred ninety-nine".