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12955047 = 374671321
BaseRepresentation
bin110001011010…
…110110100111
3220101011222120
4301122312213
511304030142
61141401023
7215054550
oct61326647
926334876
1012955047
117349356
124409173
1328b7911
141a13327
15120d7ec
hexc5ada7

12955047 has 16 divisors (see below), whose sum is σ = 19798272. Its totient is φ = 7381440.

The previous prime is 12955039. The next prime is 12955067. The reversal of 12955047 is 74055921.

It is not a de Polignac number, because 12955047 - 23 = 12955039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12954999 and 12955017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12955027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9147 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (1237392).

Almost surely, 212955047 is an apocalyptic number.

12955047 is a deficient number, since it is larger than the sum of its proper divisors (6843225).

12955047 is a wasteful number, since it uses less digits than its factorization.

12955047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 12955047 is about 3599.3120175945. The cubic root of 12955047 is about 234.8621312940.

The spelling of 12955047 in words is "twelve million, nine hundred fifty-five thousand, forty-seven".

Divisors: 1 3 7 21 467 1321 1401 3269 3963 9247 9807 27741 616907 1850721 4318349 12955047