13196939 has 4 divisors (see below), whose sum is σ = 15082224. Its totient is φ = 11311656.

The previous prime is 13196933. The next prime is 13196941. The reversal of 13196939 is 93969131.

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 13196939 - 2⁸ = 13196683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13196896 and 13196905.

It is not an unprimeable number, because it can be changed into a prime (13196933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942632 + ... + 942645.

It is an arithmetic number, because the mean of its divisors is an integer number (3770556).

Almost surely, 2^13196939 is an apocalyptic number.

13196939 is a deficient number, since it is larger than the sum of its proper divisors (1885285).

13196939 is an equidigital number, since it uses as much as digits as its factorization.

13196939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885284.

The product of its digits is 39366, while the sum is 41.

The square root of 13196939 is about 3632.7591442318. The cubic root of 13196939 is about 236.3148806062.

The spelling of 13196939 in words is "thirteen million, one hundred ninety-six thousand, nine hundred thirty-nine".