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11730997 is a prime number
BaseRepresentation
bin101100110000…
…000000110101
3211001222220101
4230300000311
511000342442
61055234101
7201466105
oct54600065
924058811
1011730997
116692743
123b18931
132579725
1417b5205
15106acb7
hexb30035

11730997 has 2 divisors, whose sum is σ = 11730998. Its totient is φ = 11730996.

The previous prime is 11730973. The next prime is 11731007. The reversal of 11730997 is 79903711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7177041 + 4553956 = 2679^2 + 2134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11730997 is a prime.

It is a super-2 number, since 2×117309972 = 275232581228018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11730097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5865498 + 5865499.

It is an arithmetic number, because the mean of its divisors is an integer number (5865499).

Almost surely, 211730997 is an apocalyptic number.

It is an amenable number.

11730997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11730997 is an equidigital number, since it uses as much as digits as its factorization.

11730997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 11730997 is about 3425.0543061388. The cubic root of 11730997 is about 227.2191728700.

The spelling of 11730997 in words is "eleven million, seven hundred thirty thousand, nine hundred ninety-seven".