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12895315 = 52579063
BaseRepresentation
bin110001001100…
…010001010011
3220021011001021
4301030101103
511300122230
61140220311
7214415446
oct61142123
926234037
1012895315
117308494
12439a697
132896684
1419d965d
1511eac7a
hexc4c453

12895315 has 4 divisors (see below), whose sum is σ = 15474384. Its totient is φ = 10316248.

The previous prime is 12895307. The next prime is 12895321. The reversal of 12895315 is 51359821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51359821 = 503102107.

It is a cyclic number.

It is not a de Polignac number, because 12895315 - 23 = 12895307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289527 + ... + 1289536.

It is an arithmetic number, because the mean of its divisors is an integer number (3868596).

Almost surely, 212895315 is an apocalyptic number.

12895315 is a deficient number, since it is larger than the sum of its proper divisors (2579069).

12895315 is an equidigital number, since it uses as much as digits as its factorization.

12895315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579068.

The product of its digits is 10800, while the sum is 34.

The square root of 12895315 is about 3591.0047340542. The cubic root of 12895315 is about 234.5006145013.

Subtracting from 12895315 its sum of digits (34), we obtain a square (12895281 = 35912).

The spelling of 12895315 in words is "twelve million, eight hundred ninety-five thousand, three hundred fifteen".

Divisors: 1 5 2579063 12895315