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12801697 = 177391019
BaseRepresentation
bin110000110101…
…011010100001
3220002101121221
4300311122201
511234123242
61134215041
7213545506
oct60653241
926071557
1012801697
117254117
124354481
132862b8c
1419b34ad
1511cd167
hexc356a1

12801697 has 8 divisors (see below), whose sum is σ = 13586400. Its totient is φ = 12020544.

The previous prime is 12801689. The next prime is 12801703. The reversal of 12801697 is 79610821.

It is a happy number.

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 12801697 - 23 = 12801689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12801637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12054 + ... + 13072.

It is an arithmetic number, because the mean of its divisors is an integer number (1698300).

Almost surely, 212801697 is an apocalyptic number.

12801697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12801697 is a deficient number, since it is larger than the sum of its proper divisors (784703).

12801697 is a wasteful number, since it uses less digits than its factorization.

12801697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12801697 is about 3577.9459190994. The cubic root of 12801697 is about 233.9317562213.

The spelling of 12801697 in words is "twelve million, eight hundred one thousand, six hundred ninety-seven".

Divisors: 1 17 739 1019 12563 17323 753041 12801697