13200405 has 8 divisors (see below), whose sum is σ = 21120672. Its totient is φ = 7040208.

The previous prime is 13200359. The next prime is 13200409. The reversal of 13200405 is 50400231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13200405 - 2¹¹ = 13198357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 880027 = 13200405 / (1 + 3 + 2 + 0 + 0 + 4 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200409) 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 7 ways as a sum of consecutive naturals, for example, 439999 + ... + 440028.

It is an arithmetic number, because the mean of its divisors is an integer number (2640084).

Almost surely, 2^13200405 is an apocalyptic number.

13200405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13200405 is a deficient number, since it is larger than the sum of its proper divisors (7920267).

13200405 is an equidigital number, since it uses as much as digits as its factorization.

13200405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880035.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 13200405 is about 3633.2361607801. The cubic root of 13200405 is about 236.3355671124.

Adding to 13200405 its reverse (50400231), we get a palindrome (63600636).

The spelling of 13200405 in words is "thirteen million, two hundred thousand, four hundred five".