12145064 has 8 divisors (see below), whose sum is σ = 22772010. Its totient is φ = 6072528.

The previous prime is 12145057. The next prime is 12145069. The reversal of 12145064 is 46054121.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 1582564 = 3250^2 + 1258^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12145069) 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 as a sum of consecutive naturals, namely, 759059 + ... + 759074.

Almost surely, 2^12145064 is an apocalyptic number.

It is an amenable number.

12145064 is a deficient number, since it is larger than the sum of its proper divisors (10626946).

12145064 is a wasteful number, since it uses less digits than its factorization.

12145064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518139 (or 1518135 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12145064 is about 3484.9769009278. The cubic root of 12145064 is about 229.8616937864.

Adding to 12145064 its reverse (46054121), we get a palindrome (58199185).

The spelling of 12145064 in words is "twelve million, one hundred forty-five thousand, sixty-four".