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13492709 is a prime number
BaseRepresentation
bin110011011110…
…000111100101
3221101111111222
4303132013211
511423231314
61201110125
7222454226
oct63360745
927344458
1013492709
1176862aa
124628345
132a45569
141b1324d
1512b7c8e
hexcde1e5

13492709 has 2 divisors, whose sum is σ = 13492710. Its totient is φ = 13492708.

The previous prime is 13492693. The next prime is 13492723. The reversal of 13492709 is 90729431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 4190209 = 3050^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 13492709 - 24 = 13492693 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 (13492799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6746354 + 6746355.

It is an arithmetic number, because the mean of its divisors is an integer number (6746355).

Almost surely, 213492709 is an apocalyptic number.

It is an amenable number.

13492709 is a deficient number, since it is larger than the sum of its proper divisors (1).

13492709 is an equidigital number, since it uses as much as digits as its factorization.

13492709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 13492709 is about 3673.2423007474. The cubic root of 13492709 is about 238.0672843684.

The spelling of 13492709 in words is "thirteen million, four hundred ninety-two thousand, seven hundred nine".