13811694 has 48 divisors (see below), whose sum is σ = 30594672. Its totient is φ = 4153344.

The previous prime is 13811687. The next prime is 13811713. The reversal of 13811694 is 49611831.

It is a super-2 number, since 2×13811694² = 381525782299272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53614 + ... + 53870.

It is an arithmetic number, because the mean of its divisors is an integer number (637389).

Almost surely, 2^13811694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13811694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15297336).

13811694 is an abundant number, since it is smaller than the sum of its proper divisors (16782978).

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

13811694 is a wasteful number, since it uses less digits than its factorization.

13811694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 328 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 13811694 is about 3716.4087503933. The cubic root of 13811694 is about 239.9287635800.

The spelling of 13811694 in words is "thirteen million, eight hundred eleven thousand, six hundred ninety-four".