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13122884 = 2229311197
BaseRepresentation
bin110010000011…
…110101000100
3220200201012202
4302003311010
511324413014
61145134032
7216354065
oct62036504
926621182
1013122884
117453465
12448a318
132946128
141a5856c
1512433de
hexc83d44

13122884 has 12 divisors (see below), whose sum is σ = 23045484. Its totient is φ = 6538464.

The previous prime is 13122871. The next prime is 13122887. The reversal of 13122884 is 48822131.

It can be written as a sum of positive squares in 2 ways, for example, as 8282884 + 4840000 = 2878^2 + 2200^2 .

It is not an unprimeable number, because it can be changed into a prime (13122887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4427 + ... + 6770.

It is an arithmetic number, because the mean of its divisors is an integer number (1920457).

Almost surely, 213122884 is an apocalyptic number.

It is an amenable number.

13122884 is a deficient number, since it is larger than the sum of its proper divisors (9922600).

13122884 is a wasteful number, since it uses less digits than its factorization.

13122884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494 (or 11492 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 13122884 is about 3622.5521390313. The cubic root of 13122884 is about 235.8720219657.

The spelling of 13122884 in words is "thirteen million, one hundred twenty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 293 586 1172 11197 22394 44788 3280721 6561442 13122884