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12876461 = 13990497
BaseRepresentation
bin110001000111…
…101010101101
3220020012011222
4301013222231
511244021321
61135553125
7214306463
oct61075255
926205158
1012876461
1172a5304
12438b7a5
13288ac10
1419d2833
1511e53ab
hexc47aad

12876461 has 4 divisors (see below), whose sum is σ = 13866972. Its totient is φ = 11885952.

The previous prime is 12876401. The next prime is 12876467. The reversal of 12876461 is 16467821.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 11519236 = 1165^2 + 3394^2 .

It is not a de Polignac number, because 12876461 - 214 = 12860077 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 (12876467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495236 + ... + 495261.

It is an arithmetic number, because the mean of its divisors is an integer number (3466743).

Almost surely, 212876461 is an apocalyptic number.

It is an amenable number.

12876461 is a deficient number, since it is larger than the sum of its proper divisors (990511).

12876461 is an equidigital number, since it uses as much as digits as its factorization.

12876461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990510.

The product of its digits is 16128, while the sum is 35.

The square root of 12876461 is about 3588.3786032134. The cubic root of 12876461 is about 234.3862724297.

The spelling of 12876461 in words is "twelve million, eight hundred seventy-six thousand, four hundred sixty-one".

Divisors: 1 13 990497 12876461