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12422503 = 23951977
BaseRepresentation
bin101111011000…
…110101100111
3212101010110201
4233120311213
511140010003
61122131331
7210406132
oct57306547
925333421
1012422503
117015235
1241b0b47
13275c3c2
141915219
151155b1d
hexbd8d67

12422503 has 4 divisors (see below), whose sum is σ = 12474720. Its totient is φ = 12370288.

The previous prime is 12422471. The next prime is 12422533. The reversal of 12422503 is 30522421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30522421 = 199153379.

It is a cyclic number.

It is not a de Polignac number, because 12422503 - 25 = 12422471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422533) 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, 25750 + ... + 26227.

It is an arithmetic number, because the mean of its divisors is an integer number (3118680).

Almost surely, 212422503 is an apocalyptic number.

12422503 is a deficient number, since it is larger than the sum of its proper divisors (52217).

12422503 is an equidigital number, since it uses as much as digits as its factorization.

12422503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52216.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12422503 is about 3524.5571353008. The cubic root of 12422503 is about 231.5988348125.

Adding to 12422503 its reverse (30522421), we get a palindrome (42944924).

The spelling of 12422503 in words is "twelve million, four hundred twenty-two thousand, five hundred three".

Divisors: 1 239 51977 12422503