13240450 has 48 divisors (see below), whose sum is σ = 26844264. Its totient is φ = 4838400.

The previous prime is 13240421. The next prime is 13240453. The reversal of 13240450 is 5404231.

It can be written as a sum of positive squares in 12 ways, for example, as 927369 + 12313081 = 963^2 + 3509^2 .

It is not an unprimeable number, because it can be changed into a prime (13240453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31240 + ... + 31660.

Almost surely, 2^13240450 is an apocalyptic number.

13240450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13240450 is an abundant number, since it is smaller than the sum of its proper divisors (13603814).

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

13240450 is a wasteful number, since it uses less digits than its factorization.

13240450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13240450 is about 3638.7429147990. The cubic root of 13240450 is about 236.5743098824.

Adding to 13240450 its reverse (5404231), we get a palindrome (18644681).

The spelling of 13240450 in words is "thirteen million, two hundred forty thousand, four hundred fifty".