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12532237 is a prime number
BaseRepresentation
bin101111110011…
…101000001101
3212120200222221
4233303220031
511202012422
61124335341
7211344064
oct57635015
925520887
1012532237
11708a723
124244551
13279a333
1419431db
1511783c7
hexbf3a0d

12532237 has 2 divisors, whose sum is σ = 12532238. Its totient is φ = 12532236.

The previous prime is 12532199. The next prime is 12532271. The reversal of 12532237 is 73223521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12348196 + 184041 = 3514^2 + 429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12532237 is a prime.

It is equal to p820690 and since 12532237 and 820690 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12532297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266118 + 6266119.

It is an arithmetic number, because the mean of its divisors is an integer number (6266119).

Almost surely, 212532237 is an apocalyptic number.

It is an amenable number.

12532237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12532237 is an equidigital number, since it uses as much as digits as its factorization.

12532237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 25.

The square root of 12532237 is about 3540.0899706081. The cubic root of 12532237 is about 232.2787782840.

Adding to 12532237 its reverse (73223521), we get a palindrome (85755758).

It can be divided in two parts, 12532 and 237, that added together give a square (12769 = 1132).

The spelling of 12532237 in words is "twelve million, five hundred thirty-two thousand, two hundred thirty-seven".