13271242 has 4 divisors (see below), whose sum is σ = 19906866. Its totient is φ = 6635620.

The previous prime is 13271227. The next prime is 13271257. The reversal of 13271242 is 24217231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13271227) and next prime (13271257).

It can be written as a sum of positive squares in only one way, i.e., 11229201 + 2042041 = 3351^2 + 1429^2 .

It is a super-2 number, since 2×13271242² = 352251728445128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317809 + ... + 3317812.

Almost surely, 2^13271242 is an apocalyptic number.

13271242 is a deficient number, since it is larger than the sum of its proper divisors (6635624).

13271242 is an equidigital number, since it uses as much as digits as its factorization.

13271242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635623.

The product of its digits is 672, while the sum is 22.

The square root of 13271242 is about 3642.9715892387. The cubic root of 13271242 is about 236.7575603614.

Adding to 13271242 its reverse (24217231), we get a palindrome (37488473).

The spelling of 13271242 in words is "thirteen million, two hundred seventy-one thousand, two hundred forty-two".