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12486641 = 43535479
BaseRepresentation
bin101111101000…
…011111110001
3212111101110012
4233220133301
511144033031
61123344305
7211064126
oct57503761
925441405
1012486641
117059442
124222095
13278265b
14193074d
151169b2b
hexbe87f1

12486641 has 8 divisors (see below), whose sum is σ = 13020480. Its totient is φ = 11963952.

The previous prime is 12486623. The next prime is 12486659. The reversal of 12486641 is 14668421.

It is an interprime number because it is at equal distance from previous prime (12486623) and next prime (12486659).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12486641 - 210 = 12485617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12486598 and 12486607.

It is not an unprimeable number, because it can be changed into a prime (12486601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (1627560).

Almost surely, 212486641 is an apocalyptic number.

It is an amenable number.

12486641 is a deficient number, since it is larger than the sum of its proper divisors (533839).

12486641 is an equidigital number, since it uses as much as digits as its factorization.

12486641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575.

The product of its digits is 9216, while the sum is 32.

The square root of 12486641 is about 3533.6441529956. The cubic root of 12486641 is about 231.9967362303.

The spelling of 12486641 in words is "twelve million, four hundred eighty-six thousand, six hundred forty-one".

Divisors: 1 43 53 2279 5479 235597 290387 12486641