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12670265 = 52534053
BaseRepresentation
bin110000010101…
…010100111001
3212211201100002
4300111110321
511220422030
61131322345
7212460356
oct60252471
925751302
1012670265
1171743a3
1242b03b5
1328180ca
14197b62d
1511a4245
hexc15539

12670265 has 4 divisors (see below), whose sum is σ = 15204324. Its totient is φ = 10136208.

The previous prime is 12670261. The next prime is 12670277. The reversal of 12670265 is 56207621.

12670265 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8922169 + 3748096 = 2987^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 12670265 - 22 = 12670261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12670261) 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, 1267022 + ... + 1267031.

It is an arithmetic number, because the mean of its divisors is an integer number (3801081).

Almost surely, 212670265 is an apocalyptic number.

It is an amenable number.

12670265 is a deficient number, since it is larger than the sum of its proper divisors (2534059).

12670265 is an equidigital number, since it uses as much as digits as its factorization.

12670265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534058.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 12670265 is about 3559.5315703053. The cubic root of 12670265 is about 233.1284266855.

Adding to 12670265 its reverse (56207621), we get a palindrome (68877886).

The spelling of 12670265 in words is "twelve million, six hundred seventy thousand, two hundred sixty-five".

Divisors: 1 5 2534053 12670265