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12496879 = 98312713
BaseRepresentation
bin101111101010…
…111111101111
3212111220111101
4233222333233
511144400004
61123503531
7211136023
oct57527757
925456441
1012496879
1170660aa
124227ba7
132787205
141934383
15116cba4
hexbeafef

12496879 has 4 divisors (see below), whose sum is σ = 12510576. Its totient is φ = 12483184.

The previous prime is 12496873. The next prime is 12496903. The reversal of 12496879 is 97869421.

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

It is a cyclic number.

It is not a de Polignac number, because 12496879 - 23 = 12496871 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 (12496871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5374 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (3127644).

Almost surely, 212496879 is an apocalyptic number.

12496879 is a deficient number, since it is larger than the sum of its proper divisors (13697).

12496879 is an equidigital number, since it uses as much as digits as its factorization.

12496879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13696.

The product of its digits is 217728, while the sum is 46.

The square root of 12496879 is about 3535.0925023258. The cubic root of 12496879 is about 232.0601248745.

It can be divided in two parts, 1249 and 6879, that added together give a triangular number (8128 = T127).

The spelling of 12496879 in words is "twelve million, four hundred ninety-six thousand, eight hundred seventy-nine".

Divisors: 1 983 12713 12496879