13166338 has 8 divisors (see below), whose sum is σ = 19864188. Its totient is φ = 6544944.

The previous prime is 13166333. The next prime is 13166341. The reversal of 13166338 is 83366131.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 514089 = 3557^2 + 717^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13166333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18681 + ... + 19372.

Almost surely, 2^13166338 is an apocalyptic number.

13166338 is a deficient number, since it is larger than the sum of its proper divisors (6697850).

13166338 is a wasteful number, since it uses less digits than its factorization.

13166338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38228.

The product of its digits is 7776, while the sum is 31.

The square root of 13166338 is about 3628.5448874170. The cubic root of 13166338 is about 236.1320839666.

The spelling of 13166338 in words is "thirteen million, one hundred sixty-six thousand, three hundred thirty-eight".