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12427113 = 34142371
BaseRepresentation
bin101111011001…
…111101101001
3212101100210110
4233121331221
511140131423
61122204533
7210425436
oct57317551
925340713
1012427113
117018746
1241b3749
13276152a
141916b8d
151157193
hexbd9f69

12427113 has 4 divisors (see below), whose sum is σ = 16569488. Its totient is φ = 8284740.

The previous prime is 12427097. The next prime is 12427117. The reversal of 12427113 is 31172421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12427113 - 24 = 12427097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12427113.

It is not an unprimeable number, because it can be changed into a prime (12427117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071183 + ... + 2071188.

It is an arithmetic number, because the mean of its divisors is an integer number (4142372).

Almost surely, 212427113 is an apocalyptic number.

It is an amenable number.

12427113 is a deficient number, since it is larger than the sum of its proper divisors (4142375).

12427113 is an equidigital number, since it uses as much as digits as its factorization.

12427113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142374.

The product of its digits is 336, while the sum is 21.

The square root of 12427113 is about 3525.2110575113. The cubic root of 12427113 is about 231.6274801020.

Adding to 12427113 its reverse (31172421), we get a palindrome (43599534).

The spelling of 12427113 in words is "twelve million, four hundred twenty-seven thousand, one hundred thirteen".

Divisors: 1 3 4142371 12427113