13155127 has 4 divisors (see below), whose sum is σ = 13928976. Its totient is φ = 12381280.

The previous prime is 13155083. The next prime is 13155133. The reversal of 13155127 is 72155131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13155127 is a prime.

It is a super-2 number, since 2×13155127² = 346114732772258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155157) 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, 386899 + ... + 386932.

It is an arithmetic number, because the mean of its divisors is an integer number (3482244).

Almost surely, 2^13155127 is an apocalyptic number.

13155127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13155127 is a deficient number, since it is larger than the sum of its proper divisors (773849).

13155127 is an equidigital number, since it uses as much as digits as its factorization.

13155127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773848.

The product of its digits is 1050, while the sum is 25.

The square root of 13155127 is about 3626.9997242900. Note that the first 3 decimals coincide. The cubic root of 13155127 is about 236.0650435963.

The spelling of 13155127 in words is "thirteen million, one hundred fifty-five thousand, one hundred twenty-seven".