13110581 has 16 divisors (see below), whose sum is σ = 15024960. Its totient is φ = 11329920.

The previous prime is 13110569. The next prime is 13110583. The reversal of 13110581 is 18501131.

It is a cyclic number.

It is not a de Polignac number, because 13110581 - 2¹⁰ = 13109557 is a prime.

It is a super-2 number, since 2×13110581² = 343774668315122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23006 + ... + 23568.

It is an arithmetic number, because the mean of its divisors is an integer number (939060).

Almost surely, 2^13110581 is an apocalyptic number.

13110581 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13110581 is a deficient number, since it is larger than the sum of its proper divisors (1914379).

13110581 is a wasteful number, since it uses less digits than its factorization.

13110581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 13110581 is about 3620.8536286351. The cubic root of 13110581 is about 235.7982871364.

The spelling of 13110581 in words is "thirteen million, one hundred ten thousand, five hundred eighty-one".