13103188 has 18 divisors (see below), whose sum is σ = 26674746. Its totient is φ = 5615568.

The previous prime is 13103171. The next prime is 13103191. The reversal of 13103188 is 88130131.

13103188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13046544 + 56644 = 3612^2 + 238^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33231 + ... + 33622.

Almost surely, 2^13103188 is an apocalyptic number.

It is an amenable number.

13103188 is an abundant number, since it is smaller than the sum of its proper divisors (13571558).

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

13103188 is a wasteful number, since it uses less digits than its factorization.

13103188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66871 (or 66862 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 13103188 is about 3619.8325928142. The cubic root of 13103188 is about 235.7539569243.

The spelling of 13103188 in words is "thirteen million, one hundred three thousand, one hundred eighty-eight".