13854081 has 4 divisors (see below), whose sum is σ = 18472112. Its totient is φ = 9236052.

The previous prime is 13854067. The next prime is 13854089. The reversal of 13854081 is 18045831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18045831 = 3 ⋅6015277.

It is not a de Polignac number, because 13854081 - 2⁷ = 13853953 is a prime.

It is a super-2 number, since 2×13854081² = 383871120709122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13854089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2309011 + ... + 2309016.

It is an arithmetic number, because the mean of its divisors is an integer number (4618028).

Almost surely, 2^13854081 is an apocalyptic number.

It is an amenable number.

13854081 is a deficient number, since it is larger than the sum of its proper divisors (4618031).

13854081 is an equidigital number, since it uses as much as digits as its factorization.

13854081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618030.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 13854081 is about 3722.1070645536. The cubic root of 13854081 is about 240.1739537477.

The spelling of 13854081 in words is "thirteen million, eight hundred fifty-four thousand, eighty-one".