13851340 has 12 divisors (see below), whose sum is σ = 29087856. Its totient is φ = 5540528.

The previous prime is 13851329. The next prime is 13851347. The reversal of 13851340 is 4315831.

It is not an unprimeable number, because it can be changed into a prime (13851347) 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 3 ways as a sum of consecutive naturals, for example, 346264 + ... + 346303.

It is an arithmetic number, because the mean of its divisors is an integer number (2423988).

Almost surely, 2^13851340 is an apocalyptic number.

13851340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13851340 is an abundant number, since it is smaller than the sum of its proper divisors (15236516).

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

13851340 is a wasteful number, since it uses less digits than its factorization.

13851340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692576 (or 692574 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13851340 is about 3721.7388409183. The cubic root of 13851340 is about 240.1581134037.

The spelling of 13851340 in words is "thirteen million, eight hundred fifty-one thousand, three hundred forty".