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12196669 is a prime number
BaseRepresentation
bin101110100001…
…101100111101
3211221122200111
4232201230331
511110243134
61113230021
7205445542
oct56415475
924848614
1012196669
1169805a1
124102311
1326b0684
141896bc9
15110dc64
hexba1b3d

12196669 has 2 divisors, whose sum is σ = 12196670. Its totient is φ = 12196668.

The previous prime is 12196663. The next prime is 12196697. The reversal of 12196669 is 96669121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 974169 = 3350^2 + 987^2 .

It is a cyclic number.

It is not a de Polignac number, because 12196669 - 23 = 12196661 is a prime.

It is a super-2 number, since 2×121966692 = 297517469391122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12196661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098334 + 6098335.

It is an arithmetic number, because the mean of its divisors is an integer number (6098335).

Almost surely, 212196669 is an apocalyptic number.

It is an amenable number.

12196669 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196669 is an equidigital number, since it uses as much as digits as its factorization.

12196669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 40.

The square root of 12196669 is about 3492.3729754996. The cubic root of 12196669 is about 230.1867984679.

The spelling of 12196669 in words is "twelve million, one hundred ninety-six thousand, six hundred sixty-nine".