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13049723 is a prime number
BaseRepresentation
bin110001110001…
…111101111011
3220112222212002
4301301331323
511320042343
61143411215
7215630561
oct61617573
926488762
1013049723
1174034a5
124453b0b
13291ba3b
141a39a31
15122b8b8
hexc71f7b

13049723 has 2 divisors, whose sum is σ = 13049724. Its totient is φ = 13049722.

The previous prime is 13049719. The next prime is 13049749. The reversal of 13049723 is 32794031.

It is a weak prime.

It is an emirp because it is prime and its reverse (32794031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13049723 - 22 = 13049719 is a prime.

It is not a weakly prime, because it can be changed into another prime (13049753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6524861 + 6524862.

It is an arithmetic number, because the mean of its divisors is an integer number (6524862).

Almost surely, 213049723 is an apocalyptic number.

13049723 is a deficient number, since it is larger than the sum of its proper divisors (1).

13049723 is an equidigital number, since it uses as much as digits as its factorization.

13049723 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 13049723 is about 3612.4400341044. The cubic root of 13049723 is about 235.4328704886.

The spelling of 13049723 in words is "thirteen million, forty-nine thousand, seven hundred twenty-three".