Search a number
-
+
12252061 is a prime number
BaseRepresentation
bin101110101111…
…001110011101
3212001110200001
4232233032131
511114031221
61114334301
7206066203
oct56571635
925043601
1012252061
116a09178
12412a391
1326cc953
1418ad073
151120391
hexbaf39d

12252061 has 2 divisors, whose sum is σ = 12252062. Its totient is φ = 12252060.

The previous prime is 12252059. The next prime is 12252073. The reversal of 12252061 is 16025221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11689561 + 562500 = 3419^2 + 750^2 .

It is an emirp because it is prime and its reverse (16025221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12252061 - 21 = 12252059 is a prime.

It is a super-2 number, since 2×122520612 = 300225997495442, which contains 22 as substring.

Together with 12252059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12252041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6126030 + 6126031.

It is an arithmetic number, because the mean of its divisors is an integer number (6126031).

Almost surely, 212252061 is an apocalyptic number.

It is an amenable number.

12252061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12252061 is an equidigital number, since it uses as much as digits as its factorization.

12252061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12252061 is about 3500.2944161884. The cubic root of 12252061 is about 230.5347419177.

Adding to 12252061 its reverse (16025221), we get a palindrome (28277282).

The spelling of 12252061 in words is "twelve million, two hundred fifty-two thousand, sixty-one".