12538927 has 4 divisors (see below), whose sum is σ = 12634776. Its totient is φ = 12443080.

The previous prime is 12538921. The next prime is 12538931. The reversal of 12538927 is 72983521.

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

It is a cyclic number.

It is not a de Polignac number, because 12538927 - 2³ = 12538919 is a prime.

It is a super-2 number, since 2×12538927² = 314449380622658, 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 (12538921) 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, 47728 + ... + 47989.

It is an arithmetic number, because the mean of its divisors is an integer number (3158694).

Almost surely, 2^12538927 is an apocalyptic number.

12538927 is a deficient number, since it is larger than the sum of its proper divisors (95849).

12538927 is an equidigital number, since it uses as much as digits as its factorization.

12538927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95848.

The product of its digits is 30240, while the sum is 37.

The square root of 12538927 is about 3541.0347357799. The cubic root of 12538927 is about 232.3201028721.

The spelling of 12538927 in words is "twelve million, five hundred thirty-eight thousand, nine hundred twenty-seven".