13450420 has 12 divisors (see below), whose sum is σ = 28245924. Its totient is φ = 5380160.

The previous prime is 13450397. The next prime is 13450427. The reversal of 13450420 is 2405431.

It can be written as a sum of positive squares in 2 ways, for example, as 10614564 + 2835856 = 3258^2 + 1684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 336241 + ... + 336280.

It is an arithmetic number, because the mean of its divisors is an integer number (2353827).

Almost surely, 2^13450420 is an apocalyptic number.

13450420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13450420 is an abundant number, since it is smaller than the sum of its proper divisors (14795504).

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

13450420 is a wasteful number, since it uses less digits than its factorization.

13450420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672530 (or 672528 counting only the distinct ones).

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

The square root of 13450420 is about 3667.4814246292. The cubic root of 13450420 is about 237.8183063520.

Adding to 13450420 its reverse (2405431), we get a palindrome (15855851).

The spelling of 13450420 in words is "thirteen million, four hundred fifty thousand, four hundred twenty".