13868606 has 4 divisors (see below), whose sum is σ = 20802912. Its totient is φ = 6934302.

The previous prime is 13868587. The next prime is 13868611. The reversal of 13868606 is 60686831.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13868606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3467150 + ... + 3467153.

It is an arithmetic number, because the mean of its divisors is an integer number (5200728).

Almost surely, 2^13868606 is an apocalyptic number.

13868606 is a deficient number, since it is larger than the sum of its proper divisors (6934306).

13868606 is an equidigital number, since it uses as much as digits as its factorization.

13868606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934305.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 13868606 is about 3724.0577331722. The cubic root of 13868606 is about 240.2578594270.

It can be divided in two parts, 1386860 and 6, that multiplied together give a triangular number (8321160 = T₄₀₇₉).

The spelling of 13868606 in words is "thirteen million, eight hundred sixty-eight thousand, six hundred six".