13227040 has 72 divisors (see below), whose sum is σ = 33124140. Its totient is φ = 4990464.

The previous prime is 13227031. The next prime is 13227077. The reversal of 13227040 is 4072231.

It can be written as a sum of positive squares in 2 ways, for example, as 12759184 + 467856 = 3572^2 + 684^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 13226999 and 13227017.

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, 57646 + ... + 57874.

Almost surely, 2^13227040 is an apocalyptic number.

13227040 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 13227040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16562070).

13227040 is an abundant number, since it is smaller than the sum of its proper divisors (19897100).

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

13227040 is a wasteful number, since it uses less digits than its factorization.

13227040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 13227040 is about 3636.8997786576. The cubic root of 13227040 is about 236.4944149864.

Adding to 13227040 its reverse (4072231), we get a palindrome (17299271).

It can be divided in two parts, 132 and 27040, that added together give a palindrome (27172).

The spelling of 13227040 in words is "thirteen million, two hundred twenty-seven thousand, forty".