13853481 has 8 divisors (see below), whose sum is σ = 18551520. Its totient is φ = 9195552.

The previous prime is 13853479. The next prime is 13853507. The reversal of 13853481 is 18435831.

13853481 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13853481 - 2¹ = 13853479 is a prime.

It is a super-2 number, since 2×13853481² = 383837871634722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13853401) 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, 9211 + ... + 10608.

It is an arithmetic number, because the mean of its divisors is an integer number (2318940).

Almost surely, 2^13853481 is an apocalyptic number.

It is an amenable number.

13853481 is a deficient number, since it is larger than the sum of its proper divisors (4698039).

13853481 is a wasteful number, since it uses less digits than its factorization.

13853481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055.

The product of its digits is 11520, while the sum is 33.

The square root of 13853481 is about 3722.0264641724. The cubic root of 13853481 is about 240.1704865033.

The spelling of 13853481 in words is "thirteen million, eight hundred fifty-three thousand, four hundred eighty-one".