Search a number
-
+
12140693 is a prime number
BaseRepresentation
bin101110010100…
…000010010101
3211211210220022
4232110002111
511102000233
61112114525
7205123415
oct56240225
924753808
1012140693
116942534
124095a45
132691056
141880645
1510ec398
hexb94095

12140693 has 2 divisors, whose sum is σ = 12140694. Its totient is φ = 12140692.

The previous prime is 12140683. The next prime is 12140731. The reversal of 12140693 is 39604121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10608049 + 1532644 = 3257^2 + 1238^2 .

It is an emirp because it is prime and its reverse (39604121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12140693 - 26 = 12140629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12140683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070346 + 6070347.

It is an arithmetic number, because the mean of its divisors is an integer number (6070347).

Almost surely, 212140693 is an apocalyptic number.

It is an amenable number.

12140693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140693 is an equidigital number, since it uses as much as digits as its factorization.

12140693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12140693 is about 3484.3497241236. The cubic root of 12140693 is about 229.8341147902.

The spelling of 12140693 in words is "twelve million, one hundred forty thousand, six hundred ninety-three".