13271957 has 2 divisors, whose sum is σ = 13271958. Its totient is φ = 13271956.

The previous prime is 13271941. The next prime is 13271969. The reversal of 13271957 is 75917231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8213956 + 5058001 = 2866^2 + 2249^2 .

It is a cyclic number.

It is not a de Polignac number, because 13271957 - 2⁴ = 13271941 is a prime.

It is a super-2 number, since 2×13271957² = 352289685219698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13271927) 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 as a sum of consecutive naturals, namely, 6635978 + 6635979.

It is an arithmetic number, because the mean of its divisors is an integer number (6635979).

Almost surely, 2^13271957 is an apocalyptic number.

It is an amenable number.

13271957 is a deficient number, since it is larger than the sum of its proper divisors (1).

13271957 is an equidigital number, since it uses as much as digits as its factorization.

13271957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 35.

The square root of 13271957 is about 3643.0697220888. The cubic root of 13271957 is about 236.7618121266.

The spelling of 13271957 in words is "thirteen million, two hundred seventy-one thousand, nine hundred fifty-seven".