13450440 has 32 divisors (see below), whose sum is σ = 40351680. Its totient is φ = 3586752.

The previous prime is 13450433. The next prime is 13450441. The reversal of 13450440 is 4405431.

13450440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13450441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55924 + ... + 56163.

It is an arithmetic number, because the mean of its divisors is an integer number (1260990).

Almost surely, 2^13450440 is an apocalyptic number.

13450440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13450440 is an abundant number, since it is smaller than the sum of its proper divisors (26901240).

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

13450440 is a wasteful number, since it uses less digits than its factorization.

13450440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112101 (or 112097 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13450440 is about 3667.4841512950. The cubic root of 13450440 is about 237.8184242260.

Adding to 13450440 its reverse (4405431), we get a palindrome (17855871).

The spelling of 13450440 in words is "thirteen million, four hundred fifty thousand, four hundred forty".