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12208733 is a prime number
BaseRepresentation
bin101110100100…
…101001011101
3211222021020022
4232210221131
511111134413
61113401525
7205525655
oct56445135
924867208
1012208733
116989669
1241092a5
1326b6004
14189b365
151112608
hexba4a5d

12208733 has 2 divisors, whose sum is σ = 12208734. Its totient is φ = 12208732.

The previous prime is 12208667. The next prime is 12208751. The reversal of 12208733 is 33780221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11539609 + 669124 = 3397^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 12208733 - 218 = 11946589 is a prime.

It is a super-2 number, since 2×122087332 = 298106322930578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12208793) 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, 6104366 + 6104367.

It is an arithmetic number, because the mean of its divisors is an integer number (6104367).

Almost surely, 212208733 is an apocalyptic number.

It is an amenable number.

12208733 is a deficient number, since it is larger than the sum of its proper divisors (1).

12208733 is an equidigital number, since it uses as much as digits as its factorization.

12208733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12208733 is about 3494.0997409919. The cubic root of 12208733 is about 230.2626677742.

Adding to 12208733 its reverse (33780221), we get a palindrome (45988954).

The spelling of 12208733 in words is "twelve million, two hundred eight thousand, seven hundred thirty-three".