13168938 has 32 divisors (see below), whose sum is σ = 28131840. Its totient is φ = 4097520.

The previous prime is 13168921. The next prime is 13168943. The reversal of 13168938 is 83986131.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13168896 and 13168905.

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 15 ways as a sum of consecutive naturals, for example, 7281 + ... + 8907.

It is an arithmetic number, because the mean of its divisors is an integer number (879120).

Almost surely, 2^13168938 is an apocalyptic number.

13168938 is an abundant number, since it is smaller than the sum of its proper divisors (14962902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13168938 is a wasteful number, since it uses less digits than its factorization.

13168938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722.

The product of its digits is 31104, while the sum is 39.

The square root of 13168938 is about 3628.9031400686. The cubic root of 13168938 is about 236.1476262029.

The spelling of 13168938 in words is "thirteen million, one hundred sixty-eight thousand, nine hundred thirty-eight".