13044740 has 12 divisors (see below), whose sum is σ = 27393996. Its totient is φ = 5217888.

The previous prime is 13044701. The next prime is 13044743. The reversal of 13044740 is 4744031.

It can be written as a sum of positive squares in 2 ways, for example, as 9746884 + 3297856 = 3122^2 + 1816^2 .

It is not an unprimeable number, because it can be changed into a prime (13044743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326099 + ... + 326138.

It is an arithmetic number, because the mean of its divisors is an integer number (2282833).

Almost surely, 2^13044740 is an apocalyptic number.

13044740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044740 is an abundant number, since it is smaller than the sum of its proper divisors (14349256).

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

13044740 is a wasteful number, since it uses less digits than its factorization.

13044740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652246 (or 652244 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 13044740 is about 3611.7502682218. The cubic root of 13044740 is about 235.4029002140.

Adding to 13044740 its reverse (4744031), we get a palindrome (17788771).

The spelling of 13044740 in words is "thirteen million, forty-four thousand, seven hundred forty".