12546138 has 16 divisors (see below), whose sum is σ = 27373536. Its totient is φ = 3801840.

The previous prime is 12546113. The next prime is 12546139. The reversal of 12546138 is 83164521.

It is not an unprimeable number, because it can be changed into a prime (12546139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94981 + ... + 95112.

It is an arithmetic number, because the mean of its divisors is an integer number (1710846).

Almost surely, 2^12546138 is an apocalyptic number.

12546138 is an abundant number, since it is smaller than the sum of its proper divisors (14827398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12546138 is a wasteful number, since it uses less digits than its factorization.

12546138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190109.

The product of its digits is 5760, while the sum is 30.

The square root of 12546138 is about 3542.0527946376. The cubic root of 12546138 is about 232.3646292558.

The spelling of 12546138 in words is "twelve million, five hundred forty-six thousand, one hundred thirty-eight".