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12193669 is a prime number
BaseRepresentation
bin101110100000…
…111110000101
3211221111120101
4232200332011
511110144134
61113204101
7205434025
oct56407605
924844511
1012193669
116979314
124100631
1326ac1b7
141895a85
15110ce14
hexba0f85

12193669 has 2 divisors, whose sum is σ = 12193670. Its totient is φ = 12193668.

The previous prime is 12193663. The next prime is 12193691. The reversal of 12193669 is 96639121.

12193669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9828225 + 2365444 = 3135^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 12193669 - 23 = 12193661 is a prime.

It is a super-2 number, since 2×121936692 = 297371127363122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12193661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6096834 + 6096835.

It is an arithmetic number, because the mean of its divisors is an integer number (6096835).

Almost surely, 212193669 is an apocalyptic number.

It is an amenable number.

12193669 is a deficient number, since it is larger than the sum of its proper divisors (1).

12193669 is an equidigital number, since it uses as much as digits as its factorization.

12193669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 37.

The square root of 12193669 is about 3491.9434416955. The cubic root of 12193669 is about 230.1679239970.

The spelling of 12193669 in words is "twelve million, one hundred ninety-three thousand, six hundred sixty-nine".