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12196949 is a prime number
BaseRepresentation
bin101110100001…
…110001010101
3211221200001212
4232201301111
511110300244
61113231205
7205446422
oct56416125
924850055
1012196949
116980826
124102505
1326b083b
141896d49
15110dd9e
hexba1c55

12196949 has 2 divisors, whose sum is σ = 12196950. Its totient is φ = 12196948.

The previous prime is 12196901. The next prime is 12196957. The reversal of 12196949 is 94969121.

It is a happy number.

12196949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 2617924 = 3095^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 12196949 - 212 = 12192853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12196999) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098474 + 6098475.

It is an arithmetic number, because the mean of its divisors is an integer number (6098475).

Almost surely, 212196949 is an apocalyptic number.

It is an amenable number.

12196949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196949 is an equidigital number, since it uses as much as digits as its factorization.

12196949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 41.

The square root of 12196949 is about 3492.4130626259. The cubic root of 12196949 is about 230.1885599272.

The spelling of 12196949 in words is "twelve million, one hundred ninety-six thousand, nine hundred forty-nine".