13853867 has 8 divisors (see below), whose sum is σ = 14190240. Its totient is φ = 13521600.

The previous prime is 13853821. The next prime is 13853881. The reversal of 13853867 is 76835831.

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 13853867 - 2¹⁸ = 13591723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13853887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6434 + ... + 8312.

It is an arithmetic number, because the mean of its divisors is an integer number (1773780).

Almost surely, 2^13853867 is an apocalyptic number.

13853867 is a deficient number, since it is larger than the sum of its proper divisors (336373).

13853867 is a wasteful number, since it uses less digits than its factorization.

13853867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its digits is 120960, while the sum is 41.

The square root of 13853867 is about 3722.0783172846. The cubic root of 13853867 is about 240.1727171087.

The spelling of 13853867 in words is "thirteen million, eight hundred fifty-three thousand, eight hundred sixty-seven".