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13474861 is a prime number
BaseRepresentation
bin110011011001…
…110000101101
3221100121000221
4303121300231
511422143421
61200451341
7222351211
oct63316055
927317027
1013474861
117673954
124619b51
132a3a3ba
141b0a941
1512b2841
hexcd9c2d

13474861 has 2 divisors, whose sum is σ = 13474862. Its totient is φ = 13474860.

The previous prime is 13474847. The next prime is 13474873. The reversal of 13474861 is 16847431.

It is a happy number.

13474861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8590761 + 4884100 = 2931^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 13474861 - 27 = 13474733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13474891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737430 + 6737431.

It is an arithmetic number, because the mean of its divisors is an integer number (6737431).

Almost surely, 213474861 is an apocalyptic number.

It is an amenable number.

13474861 is a deficient number, since it is larger than the sum of its proper divisors (1).

13474861 is an equidigital number, since it uses as much as digits as its factorization.

13474861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 13474861 is about 3670.8120355039. The cubic root of 13474861 is about 237.9622671627.

The spelling of 13474861 in words is "thirteen million, four hundred seventy-four thousand, eight hundred sixty-one".