13107861 has 24 divisors (see below), whose sum is σ = 21280896. Its totient is φ = 7714080.

The previous prime is 13107847. The next prime is 13107893. The reversal of 13107861 is 16870131.

It is not a de Polignac number, because 13107861 - 2⁹ = 13107349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13107811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (886704).

Almost surely, 2^13107861 is an apocalyptic number.

It is an amenable number.

13107861 is a deficient number, since it is larger than the sum of its proper divisors (8173035).

13107861 is a wasteful number, since it uses less digits than its factorization.

13107861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913 (or 4910 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 13107861 is about 3620.4780071145. The cubic root of 13107861 is about 235.7819792982.

Adding to 13107861 its reverse (16870131), we get a palindrome (29977992).

The spelling of 13107861 in words is "thirteen million, one hundred seven thousand, eight hundred sixty-one".