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12490061 is a prime number
BaseRepresentation
bin101111101001…
…010101001101
3212111120010212
4233221111031
511144140221
61123412205
7211110113
oct57512515
925446125
1012490061
117060a71
124224065
13278408c
141931ab3
15116ab5b
hexbe954d

12490061 has 2 divisors, whose sum is σ = 12490062. Its totient is φ = 12490060.

The previous prime is 12490057. The next prime is 12490091. The reversal of 12490061 is 16009421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12292036 + 198025 = 3506^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 12490061 - 22 = 12490057 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12490001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245030 + 6245031.

It is an arithmetic number, because the mean of its divisors is an integer number (6245031).

Almost surely, 212490061 is an apocalyptic number.

It is an amenable number.

12490061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12490061 is an equidigital number, since it uses as much as digits as its factorization.

12490061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12490061 is about 3534.1280395594. The cubic root of 12490061 is about 232.0179150355.

Adding to 12490061 its reverse (16009421), we get a palindrome (28499482).

The spelling of 12490061 in words is "twelve million, four hundred ninety thousand, sixty-one".