12545016 has 128 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 3456000.

The previous prime is 12544999. The next prime is 12545041. The reversal of 12545016 is 61054521.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205626 + ... + 205686.

It is an arithmetic number, because the mean of its divisors is an integer number (292950).

Almost surely, 2^12545016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12545016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18748800).

12545016 is an abundant number, since it is smaller than the sum of its proper divisors (24952584).

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

12545016 is a wasteful number, since it uses less digits than its factorization.

12545016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 12545016 is about 3541.8944083640. The cubic root of 12545016 is about 232.3577022666.

Adding to 12545016 its reverse (61054521), we get a palindrome (73599537).

It can be divided in two parts, 1254 and 5016, that multiplied together give a square (6290064 = 2508²).

The spelling of 12545016 in words is "twelve million, five hundred forty-five thousand, sixteen".