13861099 has 8 divisors (see below), whose sum is σ = 16178688. Its totient is φ = 11627880.

The previous prime is 13861087. The next prime is 13861109. The reversal of 13861099 is 99016831.

13861099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13861099 - 2¹³ = 13852907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13861049) 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, 20737 + ... + 21394.

It is an arithmetic number, because the mean of its divisors is an integer number (2022336).

Almost surely, 2^13861099 is an apocalyptic number.

13861099 is a deficient number, since it is larger than the sum of its proper divisors (2317589).

13861099 is an equidigital number, since it uses as much as digits as its factorization.

13861099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42185.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 13861099 is about 3723.0496907777. The cubic root of 13861099 is about 240.2145015178.

It can be divided in two parts, 1386 and 1099, that added together give a triangular number (2485 = T₇₀).

The spelling of 13861099 in words is "thirteen million, eight hundred sixty-one thousand, ninety-nine".