13340244 has 12 divisors (see below), whose sum is σ = 31127264. Its totient is φ = 4446744.

The previous prime is 13340233. The next prime is 13340269. The reversal of 13340244 is 44204331.

13340244 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13340244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555832 + ... + 555855.

Almost surely, 2^13340244 is an apocalyptic number.

It is an amenable number.

13340244 is an abundant number, since it is smaller than the sum of its proper divisors (17787020).

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

13340244 is a wasteful number, since it uses less digits than its factorization.

13340244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111694 (or 1111692 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 13340244 is about 3652.4298761236. The cubic root of 13340244 is about 237.1671807302.

Adding to 13340244 its reverse (44204331), we get a palindrome (57544575).

The spelling of 13340244 in words is "thirteen million, three hundred forty thousand, two hundred forty-four".