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11943397 is a prime number
BaseRepresentation
bin101101100011…
…110111100101
3211110210021001
4231203313211
511024142042
61103553301
7203342254
oct55436745
924423231
1011943397
116818284
123bbb831
1326222cb
14182c79b
1510adbb7
hexb63de5

11943397 has 2 divisors, whose sum is σ = 11943398. Its totient is φ = 11943396.

The previous prime is 11943377. The next prime is 11943413. The reversal of 11943397 is 79334911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8561476 + 3381921 = 2926^2 + 1839^2 .

It is a cyclic number.

It is not a de Polignac number, because 11943397 - 215 = 11910629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11943307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5971698 + 5971699.

It is an arithmetic number, because the mean of its divisors is an integer number (5971699).

Almost surely, 211943397 is an apocalyptic number.

It is an amenable number.

11943397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11943397 is an equidigital number, since it uses as much as digits as its factorization.

11943397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 11943397 is about 3455.9220187961. The cubic root of 11943397 is about 228.5823129303.

The spelling of 11943397 in words is "eleven million, nine hundred forty-three thousand, three hundred ninety-seven".