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12816701 = 14298969
BaseRepresentation
bin110000111001…
…000100111101
3220010011012122
4300321010331
511240113301
61134412325
7213640322
oct60710475
926104178
1012816701
117264417
1243610a5
132869961
1419b8b49
1511d281b
hexc3913d

12816701 has 4 divisors (see below), whose sum is σ = 12827100. Its totient is φ = 12806304.

The previous prime is 12816679. The next prime is 12816703. The reversal of 12816701 is 10761821.

12816701 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3367225 + 9449476 = 1835^2 + 3074^2 .

It is a cyclic number.

It is not a de Polignac number, because 12816701 - 218 = 12554557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12816703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056 + ... + 5913.

It is an arithmetic number, because the mean of its divisors is an integer number (3206775).

Almost surely, 212816701 is an apocalyptic number.

It is an amenable number.

12816701 is a deficient number, since it is larger than the sum of its proper divisors (10399).

12816701 is an equidigital number, since it uses as much as digits as its factorization.

12816701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10398.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 12816701 is about 3580.0420388593. The cubic root of 12816701 is about 234.0231123834.

The spelling of 12816701 in words is "twelve million, eight hundred sixteen thousand, seven hundred one".

Divisors: 1 1429 8969 12816701