13081382 has 4 divisors (see below), whose sum is σ = 19622076. Its totient is φ = 6540690.

The previous prime is 13081379. The next prime is 13081423. The reversal of 13081382 is 28318031.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13081382² = 342245110059848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270344 + ... + 3270347.

It is an arithmetic number, because the mean of its divisors is an integer number (4905519).

Almost surely, 2^13081382 is an apocalyptic number.

13081382 is a deficient number, since it is larger than the sum of its proper divisors (6540694).

13081382 is an equidigital number, since it uses as much as digits as its factorization.

13081382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6540693.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 13081382 is about 3616.8193208951. The cubic root of 13081382 is about 235.6231056845.

The spelling of 13081382 in words is "thirteen million, eighty-one thousand, three hundred eighty-two".