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12697707 = 311384779
BaseRepresentation
bin110000011100…
…000001101011
3212220002222110
4300130001223
511222311312
61132053403
7212633361
oct60340153
925802873
1012697707
117192a80
124304263
132827749
141987631
1511ac43c
hexc1c06b

12697707 has 8 divisors (see below), whose sum is σ = 18469440. Its totient is φ = 7695560.

The previous prime is 12697703. The next prime is 12697717. The reversal of 12697707 is 70779621.

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 12697707 - 22 = 12697703 is a prime.

It is a super-2 number, since 2×126977072 = 322463526115698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12697703) 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, 192357 + ... + 192422.

It is an arithmetic number, because the mean of its divisors is an integer number (2308680).

Almost surely, 212697707 is an apocalyptic number.

12697707 is a deficient number, since it is larger than the sum of its proper divisors (5771733).

12697707 is a wasteful number, since it uses less digits than its factorization.

12697707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384793.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 12697707 is about 3563.3842060603. The cubic root of 12697707 is about 233.2966130424.

The spelling of 12697707 in words is "twelve million, six hundred ninety-seven thousand, seven hundred seven".

Divisors: 1 3 11 33 384779 1154337 4232569 12697707