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12141705 = 35809447
BaseRepresentation
bin101110010100…
…010010001001
3211211212021210
4232110102021
511102013310
61112123333
7205126362
oct56242211
924755253
1012141705
116943274
124096549
132691654
141880b69
1510ec820
hexb94489

12141705 has 8 divisors (see below), whose sum is σ = 19426752. Its totient is φ = 6475568.

The previous prime is 12141697. The next prime is 12141709. The reversal of 12141705 is 50714121.

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 12141705 - 23 = 12141697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12141709) 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, 404709 + ... + 404738.

It is an arithmetic number, because the mean of its divisors is an integer number (2428344).

Almost surely, 212141705 is an apocalyptic number.

12141705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12141705 is a deficient number, since it is larger than the sum of its proper divisors (7285047).

12141705 is an equidigital number, since it uses as much as digits as its factorization.

12141705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809455.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 12141705 is about 3484.4949418818. The cubic root of 12141705 is about 229.8405006328.

Adding to 12141705 its reverse (50714121), we get a palindrome (62855826).

The spelling of 12141705 in words is "twelve million, one hundred forty-one thousand, seven hundred five".

Divisors: 1 3 5 15 809447 2428341 4047235 12141705