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12118933 is a prime number
BaseRepresentation
bin101110001110…
…101110010101
3211210201001101
4232032232111
511100301213
61111430101
7205003111
oct56165625
924721041
1012118933
116928152
124085331
132684188
141876741
1510e5bdd
hexb8eb95

12118933 has 2 divisors, whose sum is σ = 12118934. Its totient is φ = 12118932.

The previous prime is 12118921. The next prime is 12118961. The reversal of 12118933 is 33981121.

It is an a-pointer prime, because the next prime (12118961) can be obtained adding 12118933 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 4318084 = 2793^2 + 2078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12118933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12118633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059466 + 6059467.

It is an arithmetic number, because the mean of its divisors is an integer number (6059467).

Almost surely, 212118933 is an apocalyptic number.

It is an amenable number.

12118933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118933 is an equidigital number, since it uses as much as digits as its factorization.

12118933 is an evil number, because the sum of its binary digits is even.

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

The square root of 12118933 is about 3481.2257898620. The cubic root of 12118933 is about 229.6967206226.

The spelling of 12118933 in words is "twelve million, one hundred eighteen thousand, nine hundred thirty-three".