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12371929 is a prime number
BaseRepresentation
bin101111001100…
…011111011001
3212021120002121
4233030133121
511131400204
61121101241
7210105523
oct57143731
925246077
1012371929
116a90239
124187821
13274238b
141900a13
151145b54
hexbcc7d9

12371929 has 2 divisors, whose sum is σ = 12371930. Its totient is φ = 12371928.

The previous prime is 12371923. The next prime is 12371981. The reversal of 12371929 is 92917321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11916304 + 455625 = 3452^2 + 675^2 .

It is a cyclic number.

It is not a de Polignac number, because 12371929 - 23 = 12371921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12371894 and 12371903.

It is not a weakly prime, because it can be changed into another prime (12371921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6185964 + 6185965.

It is an arithmetic number, because the mean of its divisors is an integer number (6185965).

Almost surely, 212371929 is an apocalyptic number.

It is an amenable number.

12371929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12371929 is an equidigital number, since it uses as much as digits as its factorization.

12371929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 12371929 is about 3517.3752998507. The cubic root of 12371929 is about 231.2841153467.

The spelling of 12371929 in words is "twelve million, three hundred seventy-one thousand, nine hundred twenty-nine".