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12552427 = 31596863
BaseRepresentation
bin101111111000…
…100011101011
3212121201200201
4233320203223
511203134202
61125013031
7211456666
oct57704353
925551621
1012552427
1170a3908
124254177
1327a6594
14194a6dd
15117e387
hexbf88eb

12552427 has 8 divisors (see below), whose sum is σ = 13178880. Its totient is φ = 11939880.

The previous prime is 12552403. The next prime is 12552433. The reversal of 12552427 is 72425521.

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 12552427 - 219 = 12028139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12552395 and 12552404.

It is not an unprimeable number, because it can be changed into a prime (12552487) 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, 1603 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (1647360).

Almost surely, 212552427 is an apocalyptic number.

12552427 is a deficient number, since it is larger than the sum of its proper divisors (626453).

12552427 is an equidigital number, since it uses as much as digits as its factorization.

12552427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953.

The product of its digits is 5600, while the sum is 28.

The square root of 12552427 is about 3542.9404454492. The cubic root of 12552427 is about 232.4034485601.

Adding to 12552427 its reverse (72425521), we get a palindrome (84977948).

The spelling of 12552427 in words is "twelve million, five hundred fifty-two thousand, four hundred twenty-seven".

Divisors: 1 31 59 1829 6863 212753 404917 12552427