13641499 has 2 divisors, whose sum is σ = 13641500. Its totient is φ = 13641498.

The previous prime is 13641431. The next prime is 13641517. The reversal of 13641499 is 99414631.

13641499 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13641499 - 2⁷ = 13641371 is a prime.

It is not a weakly prime, because it can be changed into another prime (13647499) 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, 6820749 + 6820750.

It is an arithmetic number, because the mean of its divisors is an integer number (6820750).

Almost surely, 2^13641499 is an apocalyptic number.

13641499 is a deficient number, since it is larger than the sum of its proper divisors (1).

13641499 is an equidigital number, since it uses as much as digits as its factorization.

13641499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 13641499 is about 3693.4399954514. The cubic root of 13641499 is about 238.9391779311.

The spelling of 13641499 in words is "thirteen million, six hundred forty-one thousand, four hundred ninety-nine".