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12575123 = 111143193
BaseRepresentation
bin101111111110…
…000110010011
3212122212211022
4233332012103
511204400443
61125310055
7211613111
oct57760623
925585738
1012575123
117109970
12426532b
1327b3a02
141954ab1
151185e68
hexbfe193

12575123 has 4 divisors (see below), whose sum is σ = 13718328. Its totient is φ = 11431920.

The previous prime is 12575117. The next prime is 12575137. The reversal of 12575123 is 32157521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12575123 - 210 = 12574099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12575092 and 12575101.

It is not an unprimeable number, because it can be changed into a prime (12575113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571586 + ... + 571607.

It is an arithmetic number, because the mean of its divisors is an integer number (3429582).

Almost surely, 212575123 is an apocalyptic number.

12575123 is a deficient number, since it is larger than the sum of its proper divisors (1143205).

12575123 is a wasteful number, since it uses less digits than its factorization.

12575123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143204.

The product of its digits is 2100, while the sum is 26.

The square root of 12575123 is about 3546.1419881330. The cubic root of 12575123 is about 232.5434335167.

The spelling of 12575123 in words is "twelve million, five hundred seventy-five thousand, one hundred twenty-three".

Divisors: 1 11 1143193 12575123