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11974901 is a prime number
BaseRepresentation
bin101101101011…
…100011110101
3211112101110212
4231223203311
511031144101
61104355205
7203533151
oct55534365
924471425
1011974901
116839a14
124015b05
132633753
14183a061
1510b81bb
hexb6b8f5

11974901 has 2 divisors, whose sum is σ = 11974902. Its totient is φ = 11974900.

The previous prime is 11974889. The next prime is 11974903. The reversal of 11974901 is 10947911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 5058001 = 2630^2 + 2249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11974901 is a prime.

It is a Sophie Germain prime.

Together with 11974903, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11974903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987450 + 5987451.

It is an arithmetic number, because the mean of its divisors is an integer number (5987451).

Almost surely, 211974901 is an apocalyptic number.

It is an amenable number.

11974901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11974901 is an equidigital number, since it uses as much as digits as its factorization.

11974901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 11974901 is about 3460.4769902428. The cubic root of 11974901 is about 228.7831194145.

The spelling of 11974901 in words is "eleven million, nine hundred seventy-four thousand, nine hundred one".