13441320 has 48 divisors (see below), whose sum is σ = 43685460. Its totient is φ = 3584256.

The previous prime is 13441313. The next prime is 13441331. The reversal of 13441320 is 2314431.

13441320 is a `hidden beast` number, since 1 + 344 + 1 + 320 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13439556 + 1764 = 3666^2 + 42^2 .

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 = 13441293 and 13441302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18309 + ... + 19028.

Almost surely, 2^13441320 is an apocalyptic number.

13441320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13441320 is an abundant number, since it is smaller than the sum of its proper divisors (30244140).

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

13441320 is a wasteful number, since it uses less digits than its factorization.

13441320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37354 (or 37347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13441320 is about 3666.2405813040. The cubic root of 13441320 is about 237.7646615630.

Adding to 13441320 its reverse (2314431), we get a palindrome (15755751).

The spelling of 13441320 in words is "thirteen million, four hundred forty-one thousand, three hundred twenty".