13427838 has 24 divisors (see below), whose sum is σ = 29163888. Its totient is φ = 4465152.

The previous prime is 13427833. The next prime is 13427861. The reversal of 13427838 is 83872431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13427833) 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, 11070 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (1215162).

Almost surely, 2^13427838 is an apocalyptic number.

13427838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13427838 is an abundant number, since it is smaller than the sum of its proper divisors (15736050).

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

13427838 is a wasteful number, since it uses less digits than its factorization.

13427838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1805 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 13427838 is about 3664.4014518063. The cubic root of 13427838 is about 237.6851402186.

It can be divided in two parts, 1342 and 7838, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 13427838 in words is "thirteen million, four hundred twenty-seven thousand, eight hundred thirty-eight".