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12552423 = 313734409
BaseRepresentation
bin101111111000…
…100011100111
3212121201200120
4233320203213
511203134143
61125013023
7211456662
oct57704347
925551616
1012552423
1170a3904
124254173
1327a6590
14194a6d9
15117e383
hexbf88e7

12552423 has 16 divisors (see below), whose sum is σ = 18275040. Its totient is φ = 7617024.

The previous prime is 12552403. The next prime is 12552433. The reversal of 12552423 is 32425521.

It is not a de Polignac number, because 12552423 - 25 = 12552391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12552393 and 12552402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (1142190).

Almost surely, 212552423 is an apocalyptic number.

12552423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12552423 is a deficient number, since it is larger than the sum of its proper divisors (5722617).

12552423 is a wasteful number, since it uses less digits than its factorization.

12552423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498.

The product of its digits is 2400, while the sum is 24.

The square root of 12552423 is about 3542.9398809463. The cubic root of 12552423 is about 232.4034238739.

Adding to 12552423 its reverse (32425521), we get a palindrome (44977944).

The spelling of 12552423 in words is "twelve million, five hundred fifty-two thousand, four hundred twenty-three".

Divisors: 1 3 13 39 73 219 949 2847 4409 13227 57317 171951 321857 965571 4184141 12552423