13440350 has 48 divisors (see below), whose sum is σ = 31176576. Its totient is φ = 4188000.

The previous prime is 13440341. The next prime is 13440379. The reversal of 13440350 is 5304431.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2105 + ... + 5595.

It is an arithmetic number, because the mean of its divisors is an integer number (649512).

Almost surely, 2^13440350 is an apocalyptic number.

13440350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13440350 is an abundant number, since it is smaller than the sum of its proper divisors (17736226).

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

13440350 is a wasteful number, since it uses less digits than its factorization.

13440350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13440350 is about 3666.1082908174. The cubic root of 13440350 is about 237.7589419544.

Adding to 13440350 its reverse (5304431), we get a palindrome (18744781).

The spelling of 13440350 in words is "thirteen million, four hundred forty thousand, three hundred fifty".