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13307249 is a prime number
BaseRepresentation
bin110010110000…
…110101110001
3221001002010002
4302300311301
511401312444
61153115345
7221052434
oct62606561
927032102
1013307249
117569a2a
124558b55
1329ac017
141aa581b
15127cd4e
hexcb0d71

13307249 has 2 divisors, whose sum is σ = 13307250. Its totient is φ = 13307248.

The previous prime is 13307237. The next prime is 13307263. The reversal of 13307249 is 94270331.

13307249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11175649 + 2131600 = 3343^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 13307249 - 212 = 13303153 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13307299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6653624 + 6653625.

It is an arithmetic number, because the mean of its divisors is an integer number (6653625).

Almost surely, 213307249 is an apocalyptic number.

It is an amenable number.

13307249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13307249 is an equidigital number, since it uses as much as digits as its factorization.

13307249 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 13307249 is about 3647.9102236760. The cubic root of 13307249 is about 236.9714873685.

The spelling of 13307249 in words is "thirteen million, three hundred seven thousand, two hundred forty-nine".