13240127 has 4 divisors (see below), whose sum is σ = 14018976. Its totient is φ = 12461280.

The previous prime is 13240109. The next prime is 13240141. The reversal of 13240127 is 72104231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72104231 = 37 ⋅1948763.

It is a cyclic number.

It is not a de Polignac number, because 13240127 - 2⁶ = 13240063 is a prime.

It is a super-2 number, since 2×13240127² = 350601925952258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13240099 and 13240108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243127) 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 3 ways as a sum of consecutive naturals, for example, 389399 + ... + 389432.

It is an arithmetic number, because the mean of its divisors is an integer number (3504744).

Almost surely, 2^13240127 is an apocalyptic number.

13240127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13240127 is a deficient number, since it is larger than the sum of its proper divisors (778849).

13240127 is an equidigital number, since it uses as much as digits as its factorization.

13240127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778848.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 13240127 is about 3638.6985310685. The cubic root of 13240127 is about 236.5723861280.

Adding to 13240127 its reverse (72104231), we get a palindrome (85344358).

The spelling of 13240127 in words is "thirteen million, two hundred forty thousand, one hundred twenty-seven".