13020195 has 16 divisors (see below), whose sum is σ = 20915712. Its totient is φ = 6916320.

The previous prime is 13020191. The next prime is 13020197. The reversal of 13020195 is 59102031.

It is not a de Polignac number, because 13020195 - 2² = 13020191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13020191) 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 15 ways as a sum of consecutive naturals, for example, 2464 + ... + 5666.

It is an arithmetic number, because the mean of its divisors is an integer number (1307232).

Almost surely, 2^13020195 is an apocalyptic number.

13020195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13020195 is a deficient number, since it is larger than the sum of its proper divisors (7895517).

13020195 is a wasteful number, since it uses less digits than its factorization.

13020195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 13020195 is about 3608.3507312899. The cubic root of 13020195 is about 235.2551627116.

The spelling of 13020195 in words is "thirteen million, twenty thousand, one hundred ninety-five".