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12108801 = 39741611
BaseRepresentation
bin101110001100…
…010000000001
3211210012011010
4232030100001
511044440201
61111311133
7204631425
oct56142001
924705133
1012108801
116920581
12407b4a9
13267c693
141872b85
1510e2bd6
hexb8c401

12108801 has 8 divisors (see below), whose sum is σ = 16311904. Its totient is φ = 7989120.

The previous prime is 12108797. The next prime is 12108809. The reversal of 12108801 is 10880121.

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

It is not a de Polignac number, because 12108801 - 22 = 12108797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12108809) 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, 20515 + ... + 21096.

It is an arithmetic number, because the mean of its divisors is an integer number (2038988).

Almost surely, 212108801 is an apocalyptic number.

It is an amenable number.

12108801 is a deficient number, since it is larger than the sum of its proper divisors (4203103).

12108801 is an equidigital number, since it uses as much as digits as its factorization.

12108801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41711.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 12108801 is about 3479.7702510367. The cubic root of 12108801 is about 229.6326903418.

Adding to 12108801 its reverse (10880121), we get a palindrome (22988922).

It can be divided in two parts, 1210 and 8801, that added together give a triangular number (10011 = T141).

The spelling of 12108801 in words is "twelve million, one hundred eight thousand, eight hundred one".

Divisors: 1 3 97 291 41611 124833 4036267 12108801