13435144 has 16 divisors (see below), whose sum is σ = 25872300. Its totient is φ = 6535872.

The previous prime is 13435141. The next prime is 13435159. The reversal of 13435144 is 44153431.

It can be written as a sum of positive squares in 2 ways, for example, as 11902500 + 1532644 = 3450^2 + 1238^2 .

It is not an unprimeable number, because it can be changed into a prime (13435141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22399 + ... + 22990.

Almost surely, 2^13435144 is an apocalyptic number.

It is an amenable number.

13435144 is a deficient number, since it is larger than the sum of its proper divisors (12437156).

13435144 is a wasteful number, since it uses less digits than its factorization.

13435144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45432 (or 45428 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 13435144 is about 3665.3982048340. The cubic root of 13435144 is about 237.7282400530.

Adding to 13435144 its reverse (44153431), we get a palindrome (57588575).

The spelling of 13435144 in words is "thirteen million, four hundred thirty-five thousand, one hundred forty-four".