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12959844 = 2231079987
BaseRepresentation
bin110001011100…
…000001100100
3220101102120020
4301130001210
511304203334
61141435140
7215104542
oct61340144
926342506
1012959844
117351a17
12440bab0
1328b9b61
141a14d92
15120ee49
hexc5c064

12959844 has 12 divisors (see below), whose sum is σ = 30239664. Its totient is φ = 4319944.

The previous prime is 12959819. The next prime is 12959861. The reversal of 12959844 is 44895921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12959796 and 12959805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539982 + ... + 540005.

It is an arithmetic number, because the mean of its divisors is an integer number (2519972).

Almost surely, 212959844 is an apocalyptic number.

It is an amenable number.

12959844 is an abundant number, since it is smaller than the sum of its proper divisors (17279820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12959844 is a wasteful number, since it uses less digits than its factorization.

12959844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079994 (or 1079992 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 12959844 is about 3599.9783332681. The cubic root of 12959844 is about 234.8911159982.

The spelling of 12959844 in words is "twelve million, nine hundred fifty-nine thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 1079987 2159974 3239961 4319948 6479922 12959844