13101381 has 12 divisors (see below), whose sum is σ = 19207552. Its totient is φ = 8603496.

The previous prime is 13101379. The next prime is 13101409. The reversal of 13101381 is 18310131.

It is a happy number.

It is not a de Polignac number, because 13101381 - 2¹ = 13101379 is a prime.

It is a super-2 number, since 2×13101381² = 343292368214322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101331) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 10261 + ... + 11466.

Almost surely, 2^13101381 is an apocalyptic number.

It is an amenable number.

13101381 is a deficient number, since it is larger than the sum of its proper divisors (6106171).

13101381 is a wasteful number, since it uses less digits than its factorization.

13101381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21800 (or 21797 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 13101381 is about 3619.5829870304. The cubic root of 13101381 is about 235.7431191804.

The spelling of 13101381 in words is "thirteen million, one hundred one thousand, three hundred eighty-one".