12605145 has 16 divisors (see below), whose sum is σ = 23049600. Its totient is φ = 5762304.

The previous prime is 12605137. The next prime is 12605167. The reversal of 12605145 is 54150621.

It is not a de Polignac number, because 12605145 - 2³ = 12605137 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59920 + ... + 60129.

It is an arithmetic number, because the mean of its divisors is an integer number (1440600).

Almost surely, 2^12605145 is an apocalyptic number.

12605145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12605145 is a deficient number, since it is larger than the sum of its proper divisors (10444455).

12605145 is a wasteful number, since it uses less digits than its factorization.

12605145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120064.

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

The square root of 12605145 is about 3550.3725156665. The cubic root of 12605145 is about 232.7283454383.

Adding to 12605145 its reverse (54150621), we get a palindrome (66755766).

The spelling of 12605145 in words is "twelve million, six hundred five thousand, one hundred forty-five".