13441140 has 60 divisors (see below), whose sum is σ = 42170436. Its totient is φ = 3583872.

The previous prime is 13441133. The next prime is 13441157. The reversal of 13441140 is 4114431.

It can be written as a sum of positive squares in 2 ways, for example, as 10265616 + 3175524 = 3204^2 + 1782^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 19 ways as a sum of consecutive naturals, for example, 2529 + ... + 5768.

Almost surely, 2^13441140 is an apocalyptic number.

13441140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13441140 is an abundant number, since it is smaller than the sum of its proper divisors (28729296).

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

13441140 is a wasteful number, since it uses less digits than its factorization.

13441140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8318 (or 8307 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13441140 is about 3666.2160329146. The cubic root of 13441140 is about 237.7636002132.

Adding to 13441140 its reverse (4114431), we get a palindrome (17555571).

The spelling of 13441140 in words is "thirteen million, four hundred forty-one thousand, one hundred forty".