Search a number
-
+
12193697 is a prime number
BaseRepresentation
bin101110100000…
…111110100001
3211221111121102
4232200332201
511110144242
61113204145
7205434065
oct56407641
924844542
1012193697
11697933a
124100655
1326ac209
141895aa5
15110ce32
hexba0fa1

12193697 has 2 divisors, whose sum is σ = 12193698. Its totient is φ = 12193696.

The previous prime is 12193693. The next prime is 12193739. The reversal of 12193697 is 79639121.

It is a happy number.

12193697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6990736 + 5202961 = 2644^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 12193697 - 22 = 12193693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12193697.

It is not a weakly prime, because it can be changed into another prime (12193691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6096848 + 6096849.

It is an arithmetic number, because the mean of its divisors is an integer number (6096849).

Almost surely, 212193697 is an apocalyptic number.

It is an amenable number.

12193697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12193697 is an equidigital number, since it uses as much as digits as its factorization.

12193697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 38.

The square root of 12193697 is about 3491.9474509219. The cubic root of 12193697 is about 230.1681001730.

The spelling of 12193697 in words is "twelve million, one hundred ninety-three thousand, six hundred ninety-seven".