12145036 has 12 divisors (see below), whose sum is σ = 21295512. Its totient is φ = 6060608.

The previous prime is 12145033. The next prime is 12145043. The reversal of 12145036 is 63054121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12144998 and 12145016.

It is not an unprimeable number, because it can be changed into a prime (12145033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445 + ... + 4948.

It is an arithmetic number, because the mean of its divisors is an integer number (1774626).

Almost surely, 2^12145036 is an apocalyptic number.

It is an amenable number.

12145036 is a deficient number, since it is larger than the sum of its proper divisors (9150476).

12145036 is a wasteful number, since it uses less digits than its factorization.

12145036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960 (or 5958 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12145036 is about 3484.9728836822. The cubic root of 12145036 is about 229.8615171404.

Adding to 12145036 its reverse (63054121), we get a palindrome (75199157).

The spelling of 12145036 in words is "twelve million, one hundred forty-five thousand, thirty-six".