13183971 has 8 divisors (see below), whose sum is σ = 17713344. Its totient is φ = 8721960.

The previous prime is 13183943. The next prime is 13183999. The reversal of 13183971 is 17938131.

It is an interprime number because it is at equal distance from previous prime (13183943) and next prime (13183999).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13183971 - 2⁵ = 13183939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13183901) 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 7 ways as a sum of consecutive naturals, for example, 16381 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (2214168).

Almost surely, 2^13183971 is an apocalyptic number.

13183971 is a deficient number, since it is larger than the sum of its proper divisors (4529373).

13183971 is a wasteful number, since it uses less digits than its factorization.

13183971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33681.

The product of its digits is 4536, while the sum is 33.

The square root of 13183971 is about 3630.9738363144. The cubic root of 13183971 is about 236.2374501326.

The spelling of 13183971 in words is "thirteen million, one hundred eighty-three thousand, nine hundred seventy-one".