13200345 has 24 divisors (see below), whose sum is σ = 24086400. Its totient is φ = 6669216.

The previous prime is 13200329. The next prime is 13200353. The reversal of 13200345 is 54300231.

13200345 is a `hidden beast` number, since 1 + 320 + 0 + 345 = 666.

It is not a de Polignac number, because 13200345 - 2⁴ = 13200329 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6865 + ... + 8574.

It is an arithmetic number, because the mean of its divisors is an integer number (1003600).

Almost surely, 2^13200345 is an apocalyptic number.

13200345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13200345 is a deficient number, since it is larger than the sum of its proper divisors (10886055).

13200345 is a wasteful number, since it uses less digits than its factorization.

13200345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15469 (or 15466 counting only the distinct ones).

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

The square root of 13200345 is about 3633.2279036691. The cubic root of 13200345 is about 236.3352090386.

Adding to 13200345 its reverse (54300231), we get a palindrome (67500576).

The spelling of 13200345 in words is "thirteen million, two hundred thousand, three hundred forty-five".