13813910 has 32 divisors (see below), whose sum is σ = 28007424. Its totient is φ = 4860000.

The previous prime is 13813903. The next prime is 13813927. The reversal of 13813910 is 1931831.

It is a self number, because there is not a number n which added to its sum of digits gives 13813910.

It is a congruent number.

It is an unprimeable number.

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, 1385 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (875232).

Almost surely, 2^13813910 is an apocalyptic number.

13813910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13813910 is an abundant number, since it is smaller than the sum of its proper divisors (14193514).

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

13813910 is a wasteful number, since it uses less digits than its factorization.

13813910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 13813910 is about 3716.7068757167. The cubic root of 13813910 is about 239.9415945841.

The spelling of 13813910 in words is "thirteen million, eight hundred thirteen thousand, nine hundred ten".