13200931 has 4 divisors (see below), whose sum is σ = 13260352. Its totient is φ = 13141512.

The previous prime is 13200923. The next prime is 13200961. The reversal of 13200931 is 13900231.

13200931 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13200931 - 2³ = 13200923 is a prime.

It is a super-2 number, since 2×13200931² = 348529158533522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13200899 and 13200908.

It is not an unprimeable number, because it can be changed into a prime (13200961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29376 + ... + 29821.

It is an arithmetic number, because the mean of its divisors is an integer number (3315088).

Almost surely, 2^13200931 is an apocalyptic number.

13200931 is a deficient number, since it is larger than the sum of its proper divisors (59421).

13200931 is an equidigital number, since it uses as much as digits as its factorization.

13200931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59420.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 13200931 is about 3633.3085473161. The cubic root of 13200931 is about 236.3387061791.

The spelling of 13200931 in words is "thirteen million, two hundred thousand, nine hundred thirty-one".