13604838 has 24 divisors (see below), whose sum is σ = 29465928. Its totient is φ = 4185792.

The previous prime is 13604831. The next prime is 13604839. The reversal of 13604838 is 83840631.

It is a junction number, because it is equal to n+sod(n) for n = 13604799 and 13604808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13604831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5695 + ... + 7722.

It is an arithmetic number, because the mean of its divisors is an integer number (1227747).

Almost surely, 2^13604838 is an apocalyptic number.

13604838 is an abundant number, since it is smaller than the sum of its proper divisors (15861090).

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

13604838 is a wasteful number, since it uses less digits than its factorization.

13604838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448 (or 13435 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 13604838 is about 3688.4736680638. The cubic root of 13604838 is about 238.7249393028.

The spelling of 13604838 in words is "thirteen million, six hundred four thousand, eight hundred thirty-eight".