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12904371 = 321433819
BaseRepresentation
bin110001001110…
…011110110011
3220021121110200
4301032132303
511300414441
61140330243
7214454034
oct61163663
926247420
1012904371
117314277
1243a3983
13289a82c
1419dca8b
1511ed7b6
hexc4e7b3

12904371 has 6 divisors (see below), whose sum is σ = 18639660. Its totient is φ = 8602908.

The previous prime is 12904369. The next prime is 12904373. The reversal of 12904371 is 17340921.

12904371 is a `hidden beast` number, since 1 + 290 + 4 + 371 = 666.

12904371 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12904369) and next prime (12904373).

It is not a de Polignac number, because 12904371 - 21 = 12904369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12904373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 716901 + ... + 716918.

It is an arithmetic number, because the mean of its divisors is an integer number (3106610).

Almost surely, 212904371 is an apocalyptic number.

12904371 is a deficient number, since it is larger than the sum of its proper divisors (5735289).

12904371 is a wasteful number, since it uses less digits than its factorization.

12904371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433825 (or 1433822 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12904371 is about 3592.2654411945. The cubic root of 12904371 is about 234.5554959482. Note that the first 3 decimals are identical.

The spelling of 12904371 in words is "twelve million, nine hundred four thousand, three hundred seventy-one".

Divisors: 1 3 9 1433819 4301457 12904371