13873830 has 32 divisors (see below), whose sum is σ = 34746624. Its totient is φ = 3538656.

The previous prime is 13873829. The next prime is 13873877. The reversal of 13873830 is 3837831.

It is a junction number, because it is equal to n+sod(n) for n = 13873791 and 13873800.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9364 + ... + 10743.

It is an arithmetic number, because the mean of its divisors is an integer number (1085832).

Almost surely, 2^13873830 is an apocalyptic number.

13873830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13873830 is an abundant number, since it is smaller than the sum of its proper divisors (20872794).

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

13873830 is a wasteful number, since it uses less digits than its factorization.

13873830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20140.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 13873830 is about 3724.7590526100. The cubic root of 13873830 is about 240.2880222638.

The spelling of 13873830 in words is "thirteen million, eight hundred seventy-three thousand, eight hundred thirty".