13813434 has 24 divisors (see below), whose sum is σ = 30438720. Its totient is φ = 4526088.

The previous prime is 13813421. The next prime is 13813439. The reversal of 13813434 is 43431831.

It is a junction number, because it is equal to n+sod(n) for n = 13813398 and 13813407.

It is not an unprimeable number, because it can be changed into a prime (13813439) 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 11 ways as a sum of consecutive naturals, for example, 5442 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (1268280).

Almost surely, 2^13813434 is an apocalyptic number.

13813434 is an abundant number, since it is smaller than the sum of its proper divisors (16625286).

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

13813434 is a wasteful number, since it uses less digits than its factorization.

13813434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13074 (or 13071 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13813434 is about 3716.6428399834. The cubic root of 13813434 is about 239.9388385817.

The spelling of 13813434 in words is "thirteen million, eight hundred thirteen thousand, four hundred thirty-four".