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12575963 = 23546781
BaseRepresentation
bin101111111110…
…010011011011
3212122220222102
4233332103123
511204412323
61125314015
7211615421
oct57762333
925586872
1012575963
11710a564
12426590b
1327b41ca
141955111
151186328
hexbfe4db

12575963 has 4 divisors (see below), whose sum is σ = 13122768. Its totient is φ = 12029160.

The previous prime is 12575951. The next prime is 12575977. The reversal of 12575963 is 36957521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36957521 = 61605861.

It is a cyclic number.

It is not a de Polignac number, because 12575963 - 24 = 12575947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12575923) 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 3 ways as a sum of consecutive naturals, for example, 273368 + ... + 273413.

It is an arithmetic number, because the mean of its divisors is an integer number (3280692).

Almost surely, 212575963 is an apocalyptic number.

12575963 is a deficient number, since it is larger than the sum of its proper divisors (546805).

12575963 is an equidigital number, since it uses as much as digits as its factorization.

12575963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546804.

The product of its digits is 56700, while the sum is 38.

The square root of 12575963 is about 3546.2604247291. The cubic root of 12575963 is about 232.5486112562.

The spelling of 12575963 in words is "twelve million, five hundred seventy-five thousand, nine hundred sixty-three".

Divisors: 1 23 546781 12575963