13021796 has 12 divisors (see below), whose sum is σ = 24128748. Its totient is φ = 6127872.

The previous prime is 13021777. The next prime is 13021823. The reversal of 13021796 is 69712031.

It can be written as a sum of positive squares in 2 ways, for example, as 5125696 + 7896100 = 2264^2 + 2810^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 95681 + ... + 95816.

It is an arithmetic number, because the mean of its divisors is an integer number (2010729).

Almost surely, 2^13021796 is an apocalyptic number.

It is an amenable number.

13021796 is a deficient number, since it is larger than the sum of its proper divisors (11106952).

13021796 is a wasteful number, since it uses less digits than its factorization.

13021796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191518 (or 191516 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 13021796 is about 3608.5725709760. The cubic root of 13021796 is about 235.2648048631.

The spelling of 13021796 in words is "thirteen million, twenty-one thousand, seven hundred ninety-six".