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12745061 = 73158733
BaseRepresentation
bin110000100111…
…100101100101
3212222111221022
4300213211211
511230320221
61133100525
7213221420
oct60474545
925874838
1012745061
11721560a
124327745
132843174
14199a9b7
1511bb4ab
hexc27965

12745061 has 8 divisors (see below), whose sum is σ = 15035904. Its totient is φ = 10571760.

The previous prime is 12745039. The next prime is 12745063. The reversal of 12745061 is 16054721.

12745061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12745061 - 218 = 12482917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12745061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29150 + ... + 29583.

It is an arithmetic number, because the mean of its divisors is an integer number (1879488).

Almost surely, 212745061 is an apocalyptic number.

It is an amenable number.

12745061 is a deficient number, since it is larger than the sum of its proper divisors (2290843).

12745061 is an equidigital number, since it uses as much as digits as its factorization.

12745061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58771.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12745061 is about 3570.0225489484. The cubic root of 12745061 is about 233.5862669903.

Adding to 12745061 its reverse (16054721), we get a palindrome (28799782).

The spelling of 12745061 in words is "twelve million, seven hundred forty-five thousand, sixty-one".

Divisors: 1 7 31 217 58733 411131 1820723 12745061