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13004449 is a prime number
BaseRepresentation
bin110001100110…
…111010100001
3220110200202021
4301212322201
511312120244
61142421441
7215351563
oct61467241
926420667
1013004449
117382487
124431881
132904253
141a27333
15121d284
hexc66ea1

13004449 has 2 divisors, whose sum is σ = 13004450. Its totient is φ = 13004448.

The previous prime is 13004393. The next prime is 13004461. The reversal of 13004449 is 94440031.

It is a happy number.

13004449 is digitally balanced in base 2, 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., 11424400 + 1580049 = 3380^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 13004449 - 29 = 13003937 is a prime.

It is not a weakly prime, because it can be changed into another prime (13004479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6502224 + 6502225.

It is an arithmetic number, because the mean of its divisors is an integer number (6502225).

Almost surely, 213004449 is an apocalyptic number.

It is an amenable number.

13004449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13004449 is an equidigital number, since it uses as much as digits as its factorization.

13004449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13004449 is about 3606.1681879801. The cubic root of 13004449 is about 235.1602890154.

The spelling of 13004449 in words is "thirteen million, four thousand, four hundred forty-nine".