13450320 has 160 divisors (see below), whose sum is σ = 49996800. Its totient is φ = 3303936.

The previous prime is 13450313. The next prime is 13450321. The reversal of 13450320 is 2305431.

13450320 is a `hidden beast` number, since 1 + 345 + 0 + 320 = 666.

It is a super-2 number, since 2×13450320² = 361822216204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13450293 and 13450302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450321) 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 31 ways as a sum of consecutive naturals, for example, 27841 + ... + 28319.

It is an arithmetic number, because the mean of its divisors is an integer number (312480).

Almost surely, 2^13450320 is an apocalyptic number.

13450320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13450320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24998400).

13450320 is an abundant number, since it is smaller than the sum of its proper divisors (36546480).

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

13450320 is a wasteful number, since it uses less digits than its factorization.

13450320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13450320 is about 3667.4677912696. The cubic root of 13450320 is about 237.8177169804.

Adding to 13450320 its reverse (2305431), we get a palindrome (15755751).

The spelling of 13450320 in words is "thirteen million, four hundred fifty thousand, three hundred twenty".