12545112 has 32 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 4170144.

The previous prime is 12545089. The next prime is 12545129. The reversal of 12545112 is 21154521.

It is a super-3 number, since 3×12545112³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16893 + ... + 17619.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^12545112 is an apocalyptic number.

12545112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12545112 is an abundant number, since it is smaller than the sum of its proper divisors (18904488).

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

12545112 is a wasteful number, since it uses less digits than its factorization.

12545112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1451 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 12545112 is about 3541.9079604078. The cubic root of 12545112 is about 232.3582949664.

Adding to 12545112 its reverse (21154521), we get a palindrome (33699633).

The spelling of 12545112 in words is "twelve million, five hundred forty-five thousand, one hundred twelve".