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12910041 = 325692521
BaseRepresentation
bin110001001111…
…110111011001
3220021220020200
4301033313121
511301110131
61140412413
7214506414
oct61176731
926256220
1012910041
117318561
1243a7109
1328a02a1
141a00b7b
1512002e6
hexc4fdd9

12910041 has 12 divisors (see below), whose sum is σ = 18688020. Its totient is φ = 8588160.

The previous prime is 12910033. The next prime is 12910049. The reversal of 12910041 is 14001921.

It is an interprime number because it is at equal distance from previous prime (12910033) and next prime (12910049).

It can be written as a sum of positive squares in 2 ways, for example, as 632025 + 12278016 = 795^2 + 3504^2 .

It is not a de Polignac number, because 12910041 - 23 = 12910033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12909996 and 12910023.

It is not an unprimeable number, because it can be changed into a prime (12910049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3861 + ... + 6381.

It is an arithmetic number, because the mean of its divisors is an integer number (1557335).

Almost surely, 212910041 is an apocalyptic number.

It is an amenable number.

12910041 is a deficient number, since it is larger than the sum of its proper divisors (5777979).

12910041 is a wasteful number, since it uses less digits than its factorization.

12910041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096 (or 3093 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12910041 is about 3593.0545501008. The cubic root of 12910041 is about 234.5898443852.

Adding to 12910041 its reverse (14001921), we get a palindrome (26911962).

The spelling of 12910041 in words is "twelve million, nine hundred ten thousand, forty-one".

Divisors: 1 3 9 569 1707 2521 5121 7563 22689 1434449 4303347 12910041