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12493417 = 14598563
BaseRepresentation
bin101111101010…
…001001101001
3212111201202011
4233222021221
511144242132
61123435521
7211122646
oct57521151
925451664
1012493417
117063542
124225ba1
132785771
141932dcd
15116bb47
hexbea269

12493417 has 4 divisors (see below), whose sum is σ = 12503440. Its totient is φ = 12483396.

The previous prime is 12493391. The next prime is 12493421. The reversal of 12493417 is 71439421.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71439421 = 101707321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12493417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12493447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (3125860).

Almost surely, 212493417 is an apocalyptic number.

It is an amenable number.

12493417 is a deficient number, since it is larger than the sum of its proper divisors (10023).

12493417 is an equidigital number, since it uses as much as digits as its factorization.

12493417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022.

The product of its digits is 6048, while the sum is 31.

The square root of 12493417 is about 3534.6028065399. The cubic root of 12493417 is about 232.0386937543.

The spelling of 12493417 in words is "twelve million, four hundred ninety-three thousand, four hundred seventeen".

Divisors: 1 1459 8563 12493417