13120655927 has 4 divisors (see below), whose sum is σ = 13248041040. Its totient is φ = 12993270816.

The previous prime is 13120655921. The next prime is 13120655957. The reversal of 13120655927 is 72955602131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72955602131 = 167 ⋅436859893.

It is a cyclic number.

It is not a de Polignac number, because 13120655927 - 2²⁰ = 13119607351 is a prime.

It is a super-2 number, since 2×13120655927² (a number of 21 digits) 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 (13120655921) 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, 63692402 + ... + 63692607.

It is an arithmetic number, because the mean of its divisors is an integer number (3312010260).

Almost surely, 2^13120655927 is an apocalyptic number.

13120655927 is a deficient number, since it is larger than the sum of its proper divisors (127385113).

13120655927 is a wasteful number, since it uses less digits than its factorization.

13120655927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127385112.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 13120655927 in words is "thirteen billion, one hundred twenty million, six hundred fifty-five thousand, nine hundred twenty-seven".