13400450 has 24 divisors (see below), whose sum is σ = 28486272. Its totient is φ = 4594320.

The previous prime is 13400447. The next prime is 13400459. The reversal of 13400450 is 5400431.

It is not an unprimeable number, because it can be changed into a prime (13400459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18794 + ... + 19493.

It is an arithmetic number, because the mean of its divisors is an integer number (1186928).

Almost surely, 2^13400450 is an apocalyptic number.

13400450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13400450 is an abundant number, since it is smaller than the sum of its proper divisors (15085822).

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

13400450 is a wasteful number, since it uses less digits than its factorization.

13400450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38306 (or 38301 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13400450 is about 3660.6625083446. The cubic root of 13400450 is about 237.5234325910.

Adding to 13400450 its reverse (5400431), we get a palindrome (18800881).

The spelling of 13400450 in words is "thirteen million, four hundred thousand, four hundred fifty".