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12072685 = 510092393
BaseRepresentation
bin101110000011…
…011011101101
3211201100121111
4232003123231
511042311220
61110432021
7204421222
oct56033355
924640544
1012072685
1168a6429
124062611
132669101
141863949
1510d715a
hexb836ed

12072685 has 8 divisors (see below), whose sum is σ = 14507640. Its totient is φ = 9644544.

The previous prime is 12072679. The next prime is 12072689. The reversal of 12072685 is 58627021.

It can be written as a sum of positive squares in 4 ways, for example, as 114921 + 11957764 = 339^2 + 3458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12072685 - 29 = 12072173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12072689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3849 + ... + 6241.

It is an arithmetic number, because the mean of its divisors is an integer number (1813455).

Almost surely, 212072685 is an apocalyptic number.

It is an amenable number.

12072685 is a deficient number, since it is larger than the sum of its proper divisors (2434955).

12072685 is a wasteful number, since it uses less digits than its factorization.

12072685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 12072685 is about 3474.5769526663. The cubic root of 12072685 is about 229.4041603299.

The spelling of 12072685 in words is "twelve million, seventy-two thousand, six hundred eighty-five".

Divisors: 1 5 1009 2393 5045 11965 2414537 12072685