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12201297 = 34067099
BaseRepresentation
bin101110100010…
…110101010001
3211221220000220
4232202311101
511110420142
61113303253
7205465203
oct56426521
924856026
1012201297
116984019
124104b29
1326b2804
141898773
1511102ec
hexba2d51

12201297 has 4 divisors (see below), whose sum is σ = 16268400. Its totient is φ = 8134196.

The previous prime is 12201283. The next prime is 12201311. The reversal of 12201297 is 79210221.

12201297 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.

It is an interprime number because it is at equal distance from previous prime (12201283) and next prime (12201311).

It is a cyclic number.

It is not a de Polignac number, because 12201297 - 28 = 12201041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201797) 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, 2033547 + ... + 2033552.

It is an arithmetic number, because the mean of its divisors is an integer number (4067100).

Almost surely, 212201297 is an apocalyptic number.

It is an amenable number.

12201297 is a deficient number, since it is larger than the sum of its proper divisors (4067103).

12201297 is an equidigital number, since it uses as much as digits as its factorization.

12201297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067102.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12201297 is about 3493.0354993902. The cubic root of 12201297 is about 230.2159094158.

The spelling of 12201297 in words is "twelve million, two hundred one thousand, two hundred ninety-seven".

Divisors: 1 3 4067099 12201297