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12480227 = 17734131
BaseRepresentation
bin101111100110…
…111011100011
3212111001122122
4233212323203
511143331402
61123254455
7211036334
oct57467343
925431578
1012480227
117054641
12421a42b
13277c766
14192c28b
151167ca2
hexbe6ee3

12480227 has 4 divisors (see below), whose sum is σ = 13214376. Its totient is φ = 11746080.

The previous prime is 12480217. The next prime is 12480229. The reversal of 12480227 is 72208421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12480227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12480196 and 12480205.

It is not an unprimeable number, because it can be changed into a prime (12480229) 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, 367049 + ... + 367082.

It is an arithmetic number, because the mean of its divisors is an integer number (3303594).

Almost surely, 212480227 is an apocalyptic number.

12480227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12480227 is a deficient number, since it is larger than the sum of its proper divisors (734149).

12480227 is an equidigital number, since it uses as much as digits as its factorization.

12480227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734148.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12480227 is about 3532.7364747459. The cubic root of 12480227 is about 231.9570062522.

Adding to 12480227 its reverse (72208421), we get a palindrome (84688648).

The spelling of 12480227 in words is "twelve million, four hundred eighty thousand, two hundred twenty-seven".

Divisors: 1 17 734131 12480227