13136244 has 72 divisors (see below), whose sum is σ = 34409760. Its totient is φ = 3896640.

The previous prime is 13136231. The next prime is 13136251. The reversal of 13136244 is 44263131.

13136244 = T₂₀₁ + T₂₀₂ + ... + T₄₄₂.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120462 + ... + 120570.

Almost surely, 2^13136244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13136244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17204880).

13136244 is an abundant number, since it is smaller than the sum of its proper divisors (21273516).

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

13136244 is a wasteful number, since it uses less digits than its factorization.

13136244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 208 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 13136244 is about 3624.3956737641. The cubic root of 13136244 is about 235.9520394736.

Adding to 13136244 its reverse (44263131), we get a palindrome (57399375).

It can be divided in two parts, 1313 and 6244, that added together give a palindrome (7557).

The spelling of 13136244 in words is "thirteen million, one hundred thirty-six thousand, two hundred forty-four".