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12142726 = 217357139
BaseRepresentation
bin101110010100…
…100010000110
3211211220200121
4232110202012
511102031401
61112132154
7205132351
oct56244206
924756617
1012142726
116944012
12409705a
132691c5b
141881298
1510ecca1
hexb94886

12142726 has 8 divisors (see below), whose sum is σ = 19285560. Its totient is φ = 5714208.

The previous prime is 12142717. The next prime is 12142733. The reversal of 12142726 is 62724121.

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

It is a super-2 number, since 2×121427262 = 294891589422152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12142726.

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, 178536 + ... + 178603.

It is an arithmetic number, because the mean of its divisors is an integer number (2410695).

Almost surely, 212142726 is an apocalyptic number.

12142726 is a deficient number, since it is larger than the sum of its proper divisors (7142834).

12142726 is a wasteful number, since it uses less digits than its factorization.

12142726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357158.

The product of its digits is 1344, while the sum is 25.

The square root of 12142726 is about 3484.6414449696. The cubic root of 12142726 is about 229.8469429069.

Adding to 12142726 its reverse (62724121), we get a palindrome (74866847).

The spelling of 12142726 in words is "twelve million, one hundred forty-two thousand, seven hundred twenty-six".

Divisors: 1 2 17 34 357139 714278 6071363 12142726