13196805 has 16 divisors (see below), whose sum is σ = 21160320. Its totient is φ = 7023168.

The previous prime is 13196803. The next prime is 13196819. The reversal of 13196805 is 50869131.

It is not a de Polignac number, because 13196805 - 2¹ = 13196803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13196803) 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, 11811 + ... + 12879.

It is an arithmetic number, because the mean of its divisors is an integer number (1322520).

Almost surely, 2^13196805 is an apocalyptic number.

13196805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13196805 is a deficient number, since it is larger than the sum of its proper divisors (7963515).

13196805 is a wasteful number, since it uses less digits than its factorization.

13196805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13196805 is about 3632.7407009034. The cubic root of 13196805 is about 236.3140807666.

The spelling of 13196805 in words is "thirteen million, one hundred ninety-six thousand, eight hundred five".