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12250067 = 44927283
BaseRepresentation
bin101110101110…
…101111010011
3212001100221012
4232232233103
511114000232
61114321135
7206060324
oct56565723
925040835
1012250067
116a07725
1241291ab
1326cba7b
1418ac44b
15111e9b2
hexbaebd3

12250067 has 4 divisors (see below), whose sum is σ = 12277800. Its totient is φ = 12222336.

The previous prime is 12250061. The next prime is 12250097. The reversal of 12250067 is 76005221.

12250067 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76005221 = 445717053.

It is a cyclic number.

It is not a de Polignac number, because 12250067 - 212 = 12245971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12250061) 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, 13193 + ... + 14090.

It is an arithmetic number, because the mean of its divisors is an integer number (3069450).

Almost surely, 212250067 is an apocalyptic number.

12250067 is a deficient number, since it is larger than the sum of its proper divisors (27733).

12250067 is an equidigital number, since it uses as much as digits as its factorization.

12250067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27732.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12250067 is about 3500.0095714155. The cubic root of 12250067 is about 230.5222348732.

Adding to 12250067 its reverse (76005221), we get a palindrome (88255288).

The spelling of 12250067 in words is "twelve million, two hundred fifty thousand, sixty-seven".

Divisors: 1 449 27283 12250067