Search a number
-
+
12605045 = 567191197
BaseRepresentation
bin110000000101…
…011001110101
3212201101212112
4300011121311
511211330140
61130100405
7212066255
oct60053165
925641775
1012605045
11712a3a2
12427a705
1327c450b
141961965
15118ec65
hexc05675

12605045 has 16 divisors (see below), whose sum is σ = 15510528. Its totient is φ = 9831360.

The previous prime is 12605039. The next prime is 12605051. The reversal of 12605045 is 54050621.

It is an interprime number because it is at equal distance from previous prime (12605039) and next prime (12605051).

It is not a de Polignac number, because 12605045 - 212 = 12600949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12605045.

It is a congruent number.

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, 63887 + ... + 64083.

It is an arithmetic number, because the mean of its divisors is an integer number (969408).

Almost surely, 212605045 is an apocalyptic number.

It is an amenable number.

12605045 is a deficient number, since it is larger than the sum of its proper divisors (2905483).

12605045 is a wasteful number, since it uses less digits than its factorization.

12605045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 12605045 is about 3550.3584326093. The cubic root of 12605045 is about 232.7277300045.

Adding to 12605045 its reverse (54050621), we get a palindrome (66655666).

The spelling of 12605045 in words is "twelve million, six hundred five thousand, forty-five".

Divisors: 1 5 67 191 197 335 955 985 12797 13199 37627 63985 65995 188135 2521009 12605045