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12698533 is a prime number
BaseRepresentation
bin110000011100…
…001110100101
3212220011010001
4300130032211
511222323113
61132101301
7212635651
oct60341645
925804101
1012698533
117193661
124304831
132827c33
141987a61
1511ac7dd
hexc1c3a5

12698533 has 2 divisors, whose sum is σ = 12698534. Its totient is φ = 12698532.

The previous prime is 12698527. The next prime is 12698551. The reversal of 12698533 is 33589621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12061729 + 636804 = 3473^2 + 798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12698533 is a prime.

It is a super-2 number, since 2×126985332 = 322505480704178, which contains 22 as substring.

It is the 3564-th Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 12698492 and 12698501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12698503) by changing a digit.

It is a nontrivial repunit in base 3563.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349266 + 6349267.

It is an arithmetic number, because the mean of its divisors is an integer number (6349267).

Almost surely, 212698533 is an apocalyptic number.

It is an amenable number.

12698533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12698533 is an equidigital number, since it uses as much as digits as its factorization.

12698533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 12698533 is about 3563.5001052336. The cubic root of 12698533 is about 233.3016716677.

It can be divided in two parts, 12698 and 533, that added together give a palindrome (13231).

The spelling of 12698533 in words is "twelve million, six hundred ninety-eight thousand, five hundred thirty-three".