13271944 has 24 divisors (see below), whose sum is σ = 28948590. Its totient is φ = 5687808.

The previous prime is 13271941. The next prime is 13271957. The reversal of 13271944 is 44917231.

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 6563844 = 2590^2 + 2562^2 .

It is a super-3 number, since 3×13271944³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13271941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16537 + ... + 17320.

Almost surely, 2^13271944 is an apocalyptic number.

13271944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13271944 is an abundant number, since it is smaller than the sum of its proper divisors (15676646).

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

13271944 is a wasteful number, since it uses less digits than its factorization.

13271944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33877 (or 33866 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13271944 is about 3643.0679378787. The cubic root of 13271944 is about 236.7617348232.

The spelling of 13271944 in words is "thirteen million, two hundred seventy-one thousand, nine hundred forty-four".