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13452689 is a prime number
BaseRepresentation
bin110011010100…
…010110010001
3221022110121202
4303110112101
511420441224
61200200545
7222226445
oct63242621
927273552
1013452689
117659228
124609155
132a30293
141b02825
1512aaeae
hexcd4591

13452689 has 2 divisors, whose sum is σ = 13452690. Its totient is φ = 13452688.

The previous prime is 13452683. The next prime is 13452697. The reversal of 13452689 is 98625431.

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., 11971600 + 1481089 = 3460^2 + 1217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13452689 is a prime.

It is a Chen prime.

It is equal to p876764 and since 13452689 and 876764 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13452683) by changing a digit.

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, 6726344 + 6726345.

It is an arithmetic number, because the mean of its divisors is an integer number (6726345).

Almost surely, 213452689 is an apocalyptic number.

It is an amenable number.

13452689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13452689 is an equidigital number, since it uses as much as digits as its factorization.

13452689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 13452689 is about 3667.7907519377. The cubic root of 13452689 is about 237.8316784102.

It can be divided in two parts, 13452 and 689, that added together give a palindrome (14141).

The spelling of 13452689 in words is "thirteen million, four hundred fifty-two thousand, six hundred eighty-nine".