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12240037 is a prime number
BaseRepresentation
bin101110101100…
…010010100101
3212000212011201
4232230102211
511113140122
61114202501
7206016145
oct56542245
925025151
1012240037
116a00137
124123431
1326c7334
1418a8925
15111ba27
hexbac4a5

12240037 has 2 divisors, whose sum is σ = 12240038. Its totient is φ = 12240036.

The previous prime is 12240013. The next prime is 12240061. The reversal of 12240037 is 73004221.

12240037 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12240013) and next prime (12240061).

It can be written as a sum of positive squares in only one way, i.e., 11519236 + 720801 = 3394^2 + 849^2 .

It is an emirp because it is prime and its reverse (73004221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12240037 - 215 = 12207269 is a prime.

It is a super-2 number, since 2×122400372 = 299637011522738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12239996 and 12240023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12240937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120018 + 6120019.

It is an arithmetic number, because the mean of its divisors is an integer number (6120019).

Almost surely, 212240037 is an apocalyptic number.

It is an amenable number.

12240037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12240037 is an equidigital number, since it uses as much as digits as its factorization.

12240037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12240037 is about 3498.5764247762. The cubic root of 12240037 is about 230.4593027184.

Adding to 12240037 its reverse (73004221), we get a palindrome (85244258).

The spelling of 12240037 in words is "twelve million, two hundred forty thousand, thirty-seven".