13436542 has 16 divisors (see below), whose sum is σ = 23425920. Its totient is φ = 5660568.

The previous prime is 13436519. The next prime is 13436543. The reversal of 13436542 is 24563431.

It is a self number, because there is not a number n which added to its sum of digits gives 13436542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13436543) 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 7 ways as a sum of consecutive naturals, for example, 7308 + ... + 8959.

It is an arithmetic number, because the mean of its divisors is an integer number (1464120).

Almost surely, 2^13436542 is an apocalyptic number.

13436542 is a deficient number, since it is larger than the sum of its proper divisors (9989378).

13436542 is a wasteful number, since it uses less digits than its factorization.

13436542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16335.

The product of its digits is 8640, while the sum is 28.

The square root of 13436542 is about 3665.5889022093. The cubic root of 13436542 is about 237.7364854070.

Adding to 13436542 its reverse (24563431), we get a palindrome (37999973).

The spelling of 13436542 in words is "thirteen million, four hundred thirty-six thousand, five hundred forty-two".