12531927 has 4 divisors (see below), whose sum is σ = 16709240. Its totient is φ = 8354616.

The previous prime is 12531919. The next prime is 12531977. The reversal of 12531927 is 72913521.

12531927 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12531927 - 2³ = 12531919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12531894 and 12531903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12531917) 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, 2088652 + ... + 2088657.

It is an arithmetic number, because the mean of its divisors is an integer number (4177310).

Almost surely, 2^12531927 is an apocalyptic number.

12531927 is a deficient number, since it is larger than the sum of its proper divisors (4177313).

12531927 is an equidigital number, since it uses as much as digits as its factorization.

12531927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177312.

The product of its digits is 3780, while the sum is 30.

The square root of 12531927 is about 3540.0461861394. The cubic root of 12531927 is about 232.2768630363.

The spelling of 12531927 in words is "twelve million, five hundred thirty-one thousand, nine hundred twenty-seven".