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12496881 = 34165627
BaseRepresentation
bin101111101010…
…111111110001
3212111220111110
4233222333301
511144400011
61123503533
7211136025
oct57527761
925456443
1012496881
117066101
124227ba9
132787207
141934385
15116cba6
hexbeaff1

12496881 has 4 divisors (see below), whose sum is σ = 16662512. Its totient is φ = 8331252.

The previous prime is 12496873. The next prime is 12496903. The reversal of 12496881 is 18869421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12496881 - 23 = 12496873 is a prime.

It is a super-2 number, since 2×124968812 = 312344069456322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (12496871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082811 + ... + 2082816.

It is an arithmetic number, because the mean of its divisors is an integer number (4165628).

Almost surely, 212496881 is an apocalyptic number.

It is an amenable number.

12496881 is a deficient number, since it is larger than the sum of its proper divisors (4165631).

12496881 is an equidigital number, since it uses as much as digits as its factorization.

12496881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165630.

The product of its digits is 27648, while the sum is 39.

The square root of 12496881 is about 3535.0927852038. The cubic root of 12496881 is about 232.0601372542.

The spelling of 12496881 in words is "twelve million, four hundred ninety-six thousand, eight hundred eighty-one".

Divisors: 1 3 4165627 12496881