13105908 has 24 divisors (see below), whose sum is σ = 33978560. Its totient is φ = 4368600.

The previous prime is 13105907. The next prime is 13105921. The reversal of 13105908 is 80950131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60568 + ... + 60783.

Almost surely, 2^13105908 is an apocalyptic number.

13105908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13105908 is an abundant number, since it is smaller than the sum of its proper divisors (20872652).

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

13105908 is a wasteful number, since it uses less digits than its factorization.

13105908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121364 (or 121356 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 13105908 is about 3620.2082813010. The cubic root of 13105908 is about 235.7702686391.

The spelling of 13105908 in words is "thirteen million, one hundred five thousand, nine hundred eight".