13181334 has 8 divisors (see below), whose sum is σ = 26362680. Its totient is φ = 4393776.

The previous prime is 13181317. The next prime is 13181347. The reversal of 13181334 is 43318131.

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

13181334 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098439 + ... + 1098450.

It is an arithmetic number, because the mean of its divisors is an integer number (3295335).

Almost surely, 2^13181334 is an apocalyptic number.

13181334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13181334 is a wasteful number, since it uses less digits than its factorization.

13181334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196894.

The product of its digits is 864, while the sum is 24.

The square root of 13181334 is about 3630.6106924318. The cubic root of 13181334 is about 236.2216986898.

Adding to 13181334 its reverse (43318131), we get a palindrome (56499465).

The spelling of 13181334 in words is "thirteen million, one hundred eighty-one thousand, three hundred thirty-four".