12545144 has 8 divisors (see below), whose sum is σ = 23522160. Its totient is φ = 6272568.

The previous prime is 12545129. The next prime is 12545171. The reversal of 12545144 is 44154521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784064 + ... + 784079.

It is an arithmetic number, because the mean of its divisors is an integer number (2940270).

Almost surely, 2^12545144 is an apocalyptic number.

It is an amenable number.

12545144 is a deficient number, since it is larger than the sum of its proper divisors (10977016).

12545144 is a wasteful number, since it uses less digits than its factorization.

12545144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568149 (or 1568145 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 12545144 is about 3541.9124777442. The cubic root of 12545144 is about 232.3584925323.

Adding to 12545144 its reverse (44154521), we get a palindrome (56699665).

The spelling of 12545144 in words is "twelve million, five hundred forty-five thousand, one hundred forty-four".