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13032749 is a prime number
BaseRepresentation
bin110001101101…
…110100101101
3220112010120102
4301231310231
511314021444
61143200445
7215530232
oct61556455
926463512
1013032749
1173a1774
124446125
1329140b2
141a33789
15122684e
hexc6dd2d

13032749 has 2 divisors, whose sum is σ = 13032750. Its totient is φ = 13032748.

The previous prime is 13032731. The next prime is 13032757. The reversal of 13032749 is 94723031.

13032749 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., 10530025 + 2502724 = 3245^2 + 1582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13032749 is a prime.

It is a Sophie Germain prime.

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 (13032449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516374 + 6516375.

It is an arithmetic number, because the mean of its divisors is an integer number (6516375).

Almost surely, 213032749 is an apocalyptic number.

It is an amenable number.

13032749 is a deficient number, since it is larger than the sum of its proper divisors (1).

13032749 is an equidigital number, since it uses as much as digits as its factorization.

13032749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13032749 is about 3610.0898880776. The cubic root of 13032749 is about 235.3307489990.

The spelling of 13032749 in words is "thirteen million, thirty-two thousand, seven hundred forty-nine".