12545212 has 12 divisors (see below), whose sum is σ = 22908816. Its totient is φ = 5999840.

The previous prime is 12545209. The next prime is 12545219. The reversal of 12545212 is 21254521.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545219) 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, 68089 + ... + 68272.

It is an arithmetic number, because the mean of its divisors is an integer number (1909068).

Almost surely, 2^12545212 is an apocalyptic number.

It is an amenable number.

12545212 is a deficient number, since it is larger than the sum of its proper divisors (10363604).

12545212 is a wasteful number, since it uses less digits than its factorization.

12545212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136388 (or 136386 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 12545212 is about 3541.9220770649. The cubic root of 12545212 is about 232.3589123587.

Adding to 12545212 its reverse (21254521), we get a palindrome (33799733).

The spelling of 12545212 in words is "twelve million, five hundred forty-five thousand, two hundred twelve".