13244740 has 24 divisors (see below), whose sum is σ = 27885312. Its totient is φ = 5284320.

The previous prime is 13244687. The next prime is 13244773. The reversal of 13244740 is 4744231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11595 + ... + 12685.

It is an arithmetic number, because the mean of its divisors is an integer number (1161888).

Almost surely, 2^13244740 is an apocalyptic number.

13244740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13244740 is an abundant number, since it is smaller than the sum of its proper divisors (14640572).

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

13244740 is a wasteful number, since it uses less digits than its factorization.

13244740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 13244740 is about 3639.3323563533. The cubic root of 13244740 is about 236.5998577099.

Adding to 13244740 its reverse (4744231), we get a palindrome (17988971).

The spelling of 13244740 in words is "thirteen million, two hundred forty-four thousand, seven hundred forty".