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12113389 is a prime number
BaseRepresentation
bin101110001101…
…010111101101
3211210102110001
4232031113231
511100112024
61111344301
7204651001
oct56152755
924712401
1012113389
116923a72
124082091
1326817b2
141874701
1510e4244
hexb8d5ed

12113389 has 2 divisors, whose sum is σ = 12113390. Its totient is φ = 12113388.

The previous prime is 12113377. The next prime is 12113407. The reversal of 12113389 is 98331121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11276164 + 837225 = 3358^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 12113389 - 217 = 11982317 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 (12113359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056694 + 6056695.

It is an arithmetic number, because the mean of its divisors is an integer number (6056695).

Almost surely, 212113389 is an apocalyptic number.

It is an amenable number.

12113389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113389 is an equidigital number, since it uses as much as digits as its factorization.

12113389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 12113389 is about 3480.4294275276. The cubic root of 12113389 is about 229.6616891323.

The spelling of 12113389 in words is "twelve million, one hundred thirteen thousand, three hundred eighty-nine".