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12535417 = 47266711
BaseRepresentation
bin101111110100…
…011001111001
3212120212100201
4233310121321
511202113132
61124402201
7211356256
oct57643171
925525321
1012535417
117092054
124246361
13279b90b
14194442d
1511792e7
hexbf4679

12535417 has 4 divisors (see below), whose sum is σ = 12802176. Its totient is φ = 12268660.

The previous prime is 12535399. The next prime is 12535423. The reversal of 12535417 is 71453521.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 71453521 = 609111731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12535417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12535447) 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, 133309 + ... + 133402.

It is an arithmetic number, because the mean of its divisors is an integer number (3200544).

Almost surely, 212535417 is an apocalyptic number.

It is an amenable number.

12535417 is a deficient number, since it is larger than the sum of its proper divisors (266759).

12535417 is an equidigital number, since it uses as much as digits as its factorization.

12535417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266758.

The product of its digits is 4200, while the sum is 28.

The square root of 12535417 is about 3540.5390832471. The cubic root of 12535417 is about 232.2984231951.

Adding to 12535417 its reverse (71453521), we get a palindrome (83988938).

It can be divided in two parts, 1253 and 5417, that added together give a triangular number (6670 = T115).

The spelling of 12535417 in words is "twelve million, five hundred thirty-five thousand, four hundred seventeen".

Divisors: 1 47 266711 12535417