13853919 has 8 divisors (see below), whose sum is σ = 18536112. Its totient is φ = 9203840.

The previous prime is 13853891. The next prime is 13853923. The reversal of 13853919 is 91935831.

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 13853919 - 2⁵ = 13853887 is a prime.

It is a super-2 number, since 2×13853919² = 383862143317122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13853999) 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, 7002 + ... + 8759.

It is an arithmetic number, because the mean of its divisors is an integer number (2317014).

Almost surely, 2^13853919 is an apocalyptic number.

13853919 is a deficient number, since it is larger than the sum of its proper divisors (4682193).

13853919 is a wasteful number, since it uses less digits than its factorization.

13853919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16057.

The product of its digits is 29160, while the sum is 39.

The square root of 13853919 is about 3722.0853026227. The cubic root of 13853919 is about 240.1730176016.

The spelling of 13853919 in words is "thirteen million, eight hundred fifty-three thousand, nine hundred nineteen".