13840500 has 48 divisors (see below), whose sum is σ = 40307904. Its totient is φ = 3690400.

The previous prime is 13840487. The next prime is 13840501. The reversal of 13840500 is 504831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13840501) 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 15 ways as a sum of consecutive naturals, for example, 3114 + ... + 6113.

It is an arithmetic number, because the mean of its divisors is an integer number (839748).

Almost surely, 2^13840500 is an apocalyptic number.

13840500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13840500 is an abundant number, since it is smaller than the sum of its proper divisors (26467404).

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

13840500 is a wasteful number, since it uses less digits than its factorization.

13840500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249 (or 9237 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 13840500 is about 3720.2822473570. The cubic root of 13840500 is about 240.0954481463.

The spelling of 13840500 in words is "thirteen million, eight hundred forty thousand, five hundred".