13168946 has 24 divisors (see below), whose sum is σ = 23269680. Its totient is φ = 5572392.

The previous prime is 13168943. The next prime is 13169021. The reversal of 13168946 is 64986131.

It is a super-2 number, since 2×13168946² = 346842277501832, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13168943) 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 11 ways as a sum of consecutive naturals, for example, 7325 + ... + 8943.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^13168946 is an apocalyptic number.

13168946 is a deficient number, since it is larger than the sum of its proper divisors (10100734).

13168946 is a wasteful number, since it uses less digits than its factorization.

13168946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1711 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 13168946 is about 3628.9042423299. The cubic root of 13168946 is about 236.1476740220.

The spelling of 13168946 in words is "thirteen million, one hundred sixty-eight thousand, nine hundred forty-six".