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12254131 is a prime number
BaseRepresentation
bin101110101111…
…101110110011
3212001120111201
4232233232303
511114113011
61114352031
7206105221
oct56575663
925046451
1012254131
116a0a78a
12412b617
132700886
1418adb11
151120cc1
hexbafbb3

12254131 has 2 divisors, whose sum is σ = 12254132. Its totient is φ = 12254130.

The previous prime is 12254113. The next prime is 12254167. The reversal of 12254131 is 13145221.

Together with previous prime (12254113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12254131 - 211 = 12252083 is a prime.

It is a super-2 number, since 2×122541312 = 300327453130322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12254099 and 12254108.

It is not a weakly prime, because it can be changed into another prime (12254111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127065 + 6127066.

It is an arithmetic number, because the mean of its divisors is an integer number (6127066).

Almost surely, 212254131 is an apocalyptic number.

12254131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254131 is an equidigital number, since it uses as much as digits as its factorization.

12254131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 12254131 is about 3500.5900931129. The cubic root of 12254131 is about 230.5477242245.

Adding to 12254131 its reverse (13145221), we get a palindrome (25399352).

It can be divided in two parts, 1225 and 4131, that added together give a triangular number (5356 = T103).

The spelling of 12254131 in words is "twelve million, two hundred fifty-four thousand, one hundred thirty-one".