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12431413 is a prime number
BaseRepresentation
bin101111011011…
…000000110101
3212101120200201
4233123000311
511140301123
61122240501
7210444121
oct57330065
925346621
1012431413
1170209a5
1241b6131
132763487
141918581
1511585ad
hexbdb035

12431413 has 2 divisors, whose sum is σ = 12431414. Its totient is φ = 12431412.

The previous prime is 12431411. The next prime is 12431443. The reversal of 12431413 is 31413421.

12431413 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10099684 + 2331729 = 3178^2 + 1527^2 .

It is a cyclic number.

It is not a de Polignac number, because 12431413 - 21 = 12431411 is a prime.

Together with 12431411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12431411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215706 + 6215707.

It is an arithmetic number, because the mean of its divisors is an integer number (6215707).

Almost surely, 212431413 is an apocalyptic number.

It is an amenable number.

12431413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431413 is an equidigital number, since it uses as much as digits as its factorization.

12431413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 12431413 is about 3525.8208973231. The cubic root of 12431413 is about 231.6541927506.

Adding to 12431413 its reverse (31413421), we get a palindrome (43844834).

The spelling of 12431413 in words is "twelve million, four hundred thirty-one thousand, four hundred thirteen".