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12374231 is a prime number
BaseRepresentation
bin101111001101…
…000011010111
3212021200020212
4233031003113
511131433411
61121120035
7210115322
oct57150327
925250225
1012374231
116a91a41
12418901b
13274343c
1419017b9
15114668b
hexbcd0d7

12374231 has 2 divisors, whose sum is σ = 12374232. Its totient is φ = 12374230.

The previous prime is 12374209. The next prime is 12374233. The reversal of 12374231 is 13247321.

It is a strong prime.

It is an emirp because it is prime and its reverse (13247321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12374231 is a prime.

It is a super-2 number, since 2×123742312 = 306243185682722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 12374233, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12374197 and 12374206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12374233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6187115 + 6187116.

It is an arithmetic number, because the mean of its divisors is an integer number (6187116).

Almost surely, 212374231 is an apocalyptic number.

12374231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12374231 is an equidigital number, since it uses as much as digits as its factorization.

12374231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 23.

The square root of 12374231 is about 3517.7025172689. The cubic root of 12374231 is about 231.2984591895.

The spelling of 12374231 in words is "twelve million, three hundred seventy-four thousand, two hundred thirty-one".