13109386 has 8 divisors (see below), whose sum is σ = 19687140. Its totient is φ = 6547008.

The previous prime is 13109377. The next prime is 13109407. The reversal of 13109386 is 68390131.

It can be written as a sum of positive squares in 2 ways, for example, as 11594025 + 1515361 = 3405^2 + 1231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401 + ... + 5308.

Almost surely, 2^13109386 is an apocalyptic number.

13109386 is a deficient number, since it is larger than the sum of its proper divisors (6577754).

13109386 is an equidigital number, since it uses as much as digits as its factorization.

13109386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13109386 is about 3620.6886085384. The cubic root of 13109386 is about 235.7911227574.

The spelling of 13109386 in words is "thirteen million, one hundred nine thousand, three hundred eighty-six".