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12479417 = 43290219
BaseRepresentation
bin101111100110…
…101110111001
3212111000112122
4233212232321
511143320132
61123251025
7211034066
oct57465671
925430478
1012479417
117053a75
124219a75
13277c292
14192bc6d
151167912
hexbe6bb9

12479417 has 4 divisors (see below), whose sum is σ = 12769680. Its totient is φ = 12189156.

The previous prime is 12479399. The next prime is 12479431. The reversal of 12479417 is 71497421.

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 a cyclic number.

It is not a de Polignac number, because 12479417 - 210 = 12478393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12479437) 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, 145067 + ... + 145152.

It is an arithmetic number, because the mean of its divisors is an integer number (3192420).

Almost surely, 212479417 is an apocalyptic number.

It is an amenable number.

12479417 is a deficient number, since it is larger than the sum of its proper divisors (290263).

12479417 is an equidigital number, since it uses as much as digits as its factorization.

12479417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290262.

The product of its digits is 14112, while the sum is 35.

The square root of 12479417 is about 3532.6218308786. The cubic root of 12479417 is about 231.9519879343.

The spelling of 12479417 in words is "twelve million, four hundred seventy-nine thousand, four hundred seventeen".

Divisors: 1 43 290219 12479417