13851120 has 40 divisors (see below), whose sum is σ = 42939216. Its totient is φ = 3693568.

The previous prime is 13851119. The next prime is 13851121. The reversal of 13851120 is 2115831.

It is an interprime number because it is at equal distance from previous prime (13851119) and next prime (13851121).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13851121) 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, 28617 + ... + 29096.

Almost surely, 2^13851120 is an apocalyptic number.

13851120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13851120 is an abundant number, since it is smaller than the sum of its proper divisors (29088096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13851120 is a wasteful number, since it uses less digits than its factorization.

13851120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57729 (or 57723 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 13851120 is about 3721.7092847239. The cubic root of 13851120 is about 240.1568419247.

Adding to 13851120 its reverse (2115831), we get a palindrome (15966951).

The spelling of 13851120 in words is "thirteen million, eight hundred fifty-one thousand, one hundred twenty".