13235144 has 16 divisors (see below), whose sum is σ = 26725020. Its totient is φ = 6108480.

The previous prime is 13235093. The next prime is 13235147. The reversal of 13235144 is 44153231.

13235144 = T₁₂₁ + T₁₂₂ + ... + T₄₃₂.

It can be written as a sum of positive squares in 2 ways, for example, as 13235044 + 100 = 3638^2 + 10^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13235147) 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, 63527 + ... + 63734.

Almost surely, 2^13235144 is an apocalyptic number.

It is an amenable number.

13235144 is an abundant number, since it is smaller than the sum of its proper divisors (13489876).

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

13235144 is a wasteful number, since it uses less digits than its factorization.

13235144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127280 (or 127276 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 13235144 is about 3638.0137437893. The cubic root of 13235144 is about 236.5427039323.

Adding to 13235144 its reverse (44153231), we get a palindrome (57388375).

The spelling of 13235144 in words is "thirteen million, two hundred thirty-five thousand, one hundred forty-four".