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12573043 = 79718517
BaseRepresentation
bin101111111101…
…100101110011
3212122202222021
4233331211303
511204314133
61125252311
7211604050
oct57754563
925582867
1012573043
11710834a
124264097
1327b2a92
141954027
15118552d
hexbfd973

12573043 has 8 divisors (see below), whose sum is σ = 14518112. Its totient is φ = 10665216.

The previous prime is 12572993. The next prime is 12573059. The reversal of 12573043 is 34037521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12573043 - 29 = 12572531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12572999 and 12573017.

It is not an unprimeable number, because it can be changed into a prime (12573083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8580 + ... + 9937.

It is an arithmetic number, because the mean of its divisors is an integer number (1814764).

Almost surely, 212573043 is an apocalyptic number.

12573043 is a deficient number, since it is larger than the sum of its proper divisors (1945069).

12573043 is an equidigital number, since it uses as much as digits as its factorization.

12573043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18621.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 12573043 is about 3545.8486995358. The cubic root of 12573043 is about 232.5306114549.

The spelling of 12573043 in words is "twelve million, five hundred seventy-three thousand, forty-three".

Divisors: 1 7 97 679 18517 129619 1796149 12573043