13557127 has 4 divisors (see below), whose sum is σ = 14270680. Its totient is φ = 12843576.

The previous prime is 13557119. The next prime is 13557149. The reversal of 13557127 is 72175531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72175531 = 3671 ⋅19661.

It is a cyclic number.

It is not a de Polignac number, because 13557127 - 2³ = 13557119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13557157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356748 + ... + 356785.

It is an arithmetic number, because the mean of its divisors is an integer number (3567670).

Almost surely, 2^13557127 is an apocalyptic number.

13557127 is a deficient number, since it is larger than the sum of its proper divisors (713553).

13557127 is an equidigital number, since it uses as much as digits as its factorization.

13557127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713552.

The product of its digits is 7350, while the sum is 31.

The square root of 13557127 is about 3682.0004073873. Note that the first 3 decimals coincide. The cubic root of 13557127 is about 238.4455498205.

The spelling of 13557127 in words is "thirteen million, five hundred fifty-seven thousand, one hundred twenty-seven".