13536469 has 2 divisors, whose sum is σ = 13536470. Its totient is φ = 13536468.

The previous prime is 13536433. The next prime is 13536473. The reversal of 13536469 is 96463531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9180900 + 4355569 = 3030^2 + 2087^2 .

It is an emirp because it is prime and its reverse (96463531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13536469 - 2¹⁷ = 13405397 is a prime.

It is a super-2 number, since 2×13536469² = 366471985975922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13536409) 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, 6768234 + 6768235.

It is an arithmetic number, because the mean of its divisors is an integer number (6768235).

Almost surely, 2^13536469 is an apocalyptic number.

It is an amenable number.

13536469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13536469 is an equidigital number, since it uses as much as digits as its factorization.

13536469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 13536469 is about 3679.1940693581. The cubic root of 13536469 is about 238.3243758621.

It can be divided in two parts, 1 and 3536469, that added together give a triangular number (3536470 = T₂₆₅₉).

The spelling of 13536469 in words is "thirteen million, five hundred thirty-six thousand, four hundred sixty-nine".