Search a number
-
+
12741097 = 43929023
BaseRepresentation
bin110000100110…
…100111101001
3212222022111111
4300212213221
511230203342
61133030321
7213204025
oct60464751
925868444
1012741097
117212636
1243253a1
132841415
141999385
1511ba217
hexc269e9

12741097 has 4 divisors (see below), whose sum is σ = 12770560. Its totient is φ = 12711636.

The previous prime is 12741073. The next prime is 12741107. The reversal of 12741097 is 79014721.

12741097 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79014721 = 372135533.

It is a cyclic number.

It is not a de Polignac number, because 12741097 - 211 = 12739049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12741017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14073 + ... + 14950.

It is an arithmetic number, because the mean of its divisors is an integer number (3192640).

Almost surely, 212741097 is an apocalyptic number.

It is an amenable number.

12741097 is a deficient number, since it is larger than the sum of its proper divisors (29463).

12741097 is an equidigital number, since it uses as much as digits as its factorization.

12741097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29462.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12741097 is about 3569.4673272072. The cubic root of 12741097 is about 233.5620476222.

The spelling of 12741097 in words is "twelve million, seven hundred forty-one thousand, ninety-seven".

Divisors: 1 439 29023 12741097