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12127126 = 211551233
BaseRepresentation
bin101110010000…
…101110010110
3211211010021211
4232100232112
511101032001
61111532034
7205036024
oct56205626
924733254
1012127126
116933320
12408a01a
132687b1b
141879714
1510e8351
hexb90b96

12127126 has 8 divisors (see below), whose sum is σ = 19844424. Its totient is φ = 5512320.

The previous prime is 12127109. The next prime is 12127139. The reversal of 12127126 is 62172121.

It is a happy number.

12127126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 551233 = 12127126 / (1 + 2 + 1 + 2 + 7 + 1 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 12127097 and 12127106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275595 + ... + 275638.

It is an arithmetic number, because the mean of its divisors is an integer number (2480553).

Almost surely, 212127126 is an apocalyptic number.

12127126 is a deficient number, since it is larger than the sum of its proper divisors (7717298).

12127126 is a wasteful number, since it uses less digits than its factorization.

12127126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551246.

The product of its digits is 336, while the sum is 22.

The square root of 12127126 is about 3482.4023317245. The cubic root of 12127126 is about 229.7484710890.

Adding to 12127126 its reverse (62172121), we get a palindrome (74299247).

It can be divided in two parts, 1212 and 7126, that added together give a palindrome (8338).

The spelling of 12127126 in words is "twelve million, one hundred twenty-seven thousand, one hundred twenty-six".

Divisors: 1 2 11 22 551233 1102466 6063563 12127126