13536438 has 8 divisors (see below), whose sum is σ = 27072888. Its totient is φ = 4512144.

The previous prime is 13536433. The next prime is 13536469. The reversal of 13536438 is 83463531.

It is a sphenic number, since it is the product of 3 distinct primes.

13536438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13536399 and 13536408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13536431) 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 in 3 ways as a sum of consecutive naturals, for example, 1128031 + ... + 1128042.

It is an arithmetic number, because the mean of its divisors is an integer number (3384111).

Almost surely, 2^13536438 is an apocalyptic number.

13536438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13536438 is a wasteful number, since it uses less digits than its factorization.

13536438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256078.

The product of its digits is 25920, while the sum is 33.

The square root of 13536438 is about 3679.1898564766. The cubic root of 13536438 is about 238.3241939323.

Adding to 13536438 its reverse (83463531), we get a palindrome (96999969).

The spelling of 13536438 in words is "thirteen million, five hundred thirty-six thousand, four hundred thirty-eight".