12538057 has 8 divisors (see below), whose sum is σ = 14357376. Its totient is φ = 10725792.

The previous prime is 12538033. The next prime is 12538073. The reversal of 12538057 is 75083521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12538057 - 2¹⁹ = 12013769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12538957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2868 + ... + 5770.

It is an arithmetic number, because the mean of its divisors is an integer number (1794672).

Almost surely, 2^12538057 is an apocalyptic number.

It is an amenable number.

12538057 is a deficient number, since it is larger than the sum of its proper divisors (1819319).

12538057 is an equidigital number, since it uses as much as digits as its factorization.

12538057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 12538057 is about 3540.9118882006. The cubic root of 12538057 is about 232.3147296542.

The spelling of 12538057 in words is "twelve million, five hundred thirty-eight thousand, fifty-seven".