13326240 has 48 divisors (see below), whose sum is σ = 41979168. Its totient is φ = 3553536.

The previous prime is 13326217. The next prime is 13326251. The reversal of 13326240 is 4262331.

It is a happy number.

13326240 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 (48).

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, 13402 + ... + 14361.

It is an arithmetic number, because the mean of its divisors is an integer number (874566).

Almost surely, 2^13326240 is an apocalyptic number.

13326240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13326240 is an abundant number, since it is smaller than the sum of its proper divisors (28652928).

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

13326240 is a wasteful number, since it uses less digits than its factorization.

13326240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27781 (or 27773 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13326240 is about 3650.5122928159. The cubic root of 13326240 is about 237.0841624571.

Adding to 13326240 its reverse (4262331), we get a palindrome (17588571).

The spelling of 13326240 in words is "thirteen million, three hundred twenty-six thousand, two hundred forty".