13197766 has 8 divisors (see below), whose sum is σ = 19813104. Its totient is φ = 6593400.

The previous prime is 13197749. The next prime is 13197773. The reversal of 13197766 is 66779131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1716 + ... + 5416.

It is an arithmetic number, because the mean of its divisors is an integer number (2476638).

Almost surely, 2^13197766 is an apocalyptic number.

13197766 is a deficient number, since it is larger than the sum of its proper divisors (6615338).

13197766 is a wasteful number, since it uses less digits than its factorization.

13197766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486.

The product of its digits is 47628, while the sum is 40.

The square root of 13197766 is about 3632.8729677763. The cubic root of 13197766 is about 236.3198168095.

The spelling of 13197766 in words is "thirteen million, one hundred ninety-seven thousand, seven hundred sixty-six".