13271838 has 32 divisors (see below), whose sum is σ = 27218976. Its totient is φ = 4313088.

The previous prime is 13271833. The next prime is 13271887. The reversal of 13271838 is 83817231.

It is a super-2 number, since 2×13271838² = 352283367796488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13271799 and 13271808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13271833) by changing a digit.

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, 68670 + ... + 68862.

It is an arithmetic number, because the mean of its divisors is an integer number (850593).

Almost surely, 2^13271838 is an apocalyptic number.

13271838 is an abundant number, since it is smaller than the sum of its proper divisors (13947138).

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

13271838 is a wasteful number, since it uses less digits than its factorization.

13271838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its digits is 8064, while the sum is 33.

The square root of 13271838 is about 3643.0533896719. The cubic root of 13271838 is about 236.7611045008.

The spelling of 13271838 in words is "thirteen million, two hundred seventy-one thousand, eight hundred thirty-eight".