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12650087 is a prime number
BaseRepresentation
bin110000010000…
…011001100111
3212210200122202
4300100121213
511214300322
61131045115
7212344502
oct60203147
925720582
1012650087
11716021a
1242a079b
13280bb78
141974139
15119d292
hexc10667

12650087 has 2 divisors, whose sum is σ = 12650088. Its totient is φ = 12650086.

The previous prime is 12650081. The next prime is 12650101. The reversal of 12650087 is 78005621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12650087 - 220 = 11601511 is a prime.

It is a super-2 number, since 2×126500872 = 320049402215138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12650081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325043 + 6325044.

It is an arithmetic number, because the mean of its divisors is an integer number (6325044).

Almost surely, 212650087 is an apocalyptic number.

12650087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12650087 is an equidigital number, since it uses as much as digits as its factorization.

12650087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 12650087 is about 3556.6960792286. The cubic root of 12650087 is about 233.0046048934.

The spelling of 12650087 in words is "twelve million, six hundred fifty thousand, eighty-seven".