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12575053 = 177310133
BaseRepresentation
bin101111111110…
…000101001101
3212122212201201
4233332011031
511204400203
61125305501
7211612651
oct57760515
925585651
1012575053
117109907
124265291
1327b397a
141954a61
151185e1d
hexbfe14d

12575053 has 8 divisors (see below), whose sum is σ = 13498488. Its totient is φ = 11672064.

The previous prime is 12575047. The next prime is 12575063. The reversal of 12575053 is 35057521.

It can be written as a sum of positive squares in 4 ways, for example, as 5673924 + 6901129 = 2382^2 + 2627^2 .

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

It is not a de Polignac number, because 12575053 - 213 = 12566861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12575063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3826 + ... + 6307.

It is an arithmetic number, because the mean of its divisors is an integer number (1687311).

Almost surely, 212575053 is an apocalyptic number.

It is an amenable number.

12575053 is a deficient number, since it is larger than the sum of its proper divisors (923435).

12575053 is a wasteful number, since it uses less digits than its factorization.

12575053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 12575053 is about 3546.1321182381. The cubic root of 12575053 is about 232.5430020280.

The spelling of 12575053 in words is "twelve million, five hundred seventy-five thousand, fifty-three".

Divisors: 1 17 73 1241 10133 172261 739709 12575053