12540927 has 16 divisors (see below), whose sum is σ = 19176192. Its totient is φ = 7141440.

The previous prime is 12540881. The next prime is 12540937. The reversal of 12540927 is 72904521.

It is not a de Polignac number, because 12540927 - 2⁷ = 12540799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12540894 and 12540903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6427 + ... + 8147.

It is an arithmetic number, because the mean of its divisors is an integer number (1198512).

Almost surely, 2^12540927 is an apocalyptic number.

12540927 is a deficient number, since it is larger than the sum of its proper divisors (6635265).

12540927 is a wasteful number, since it uses less digits than its factorization.

12540927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12540927 is about 3541.3171278495. The cubic root of 12540927 is about 232.3324541550.

The spelling of 12540927 in words is "twelve million, five hundred forty thousand, nine hundred twenty-seven".