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1297367 is a prime number
BaseRepresentation
bin100111100101111010111
32102220122122
410330233113
5313003432
643450155
714012261
oct4745727
92386578
101297367
11806805
1252695b
13365696
1425ab31
151a9612
hex13cbd7

1297367 has 2 divisors, whose sum is σ = 1297368. Its totient is φ = 1297366.

The previous prime is 1297357. The next prime is 1297369. The reversal of 1297367 is 7637921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1297367 - 210 = 1296343 is a prime.

It is a super-2 number, since 2×12973672 = 3366322265378, which contains 22 as substring.

Together with 1297369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1297369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648683 + 648684.

It is an arithmetic number, because the mean of its divisors is an integer number (648684).

21297367 is an apocalyptic number.

1297367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297367 is an equidigital number, since it uses as much as digits as its factorization.

1297367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 35.

The square root of 1297367 is about 1139.0201929729. The cubic root of 1297367 is about 109.0655554928.

It can be divided in two parts, 12 and 97367, that added together give a palindrome (97379).

The spelling of 1297367 in words is "one million, two hundred ninety-seven thousand, three hundred sixty-seven".