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13580173 is a prime number
BaseRepresentation
bin110011110011…
…011110001101
3221112221111101
4303303132031
511434031143
61203023101
7223300225
oct63633615
927487441
1013580173
117735a92
12466aa91
132a76309
141b37085
1512d3b4d
hexcf378d

13580173 has 2 divisors, whose sum is σ = 13580174. Its totient is φ = 13580172.

The previous prime is 13580153. The next prime is 13580183. The reversal of 13580173 is 37108531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11202409 + 2377764 = 3347^2 + 1542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13580173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13580113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6790086 + 6790087.

It is an arithmetic number, because the mean of its divisors is an integer number (6790087).

Almost surely, 213580173 is an apocalyptic number.

It is an amenable number.

13580173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13580173 is an equidigital number, since it uses as much as digits as its factorization.

13580173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 13580173 is about 3685.1286273345. The cubic root of 13580173 is about 238.5805859353.

It can be divided in two parts, 135 and 80173, that added together give a palindrome (80308).

The spelling of 13580173 in words is "thirteen million, five hundred eighty thousand, one hundred seventy-three".