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12689483 = 37477297
BaseRepresentation
bin110000011010…
…000001001011
3212212200200212
4300122001023
511222030413
61131551335
7212600402
oct60320113
925780625
1012689483
117187884
1242bb54b
132823a91
141984639
1511a9ca8
hexc1a04b

12689483 has 8 divisors (see below), whose sum is σ = 13311552. Its totient is φ = 12082176.

The previous prime is 12689477. The next prime is 12689507. The reversal of 12689483 is 38498621.

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 12689483 - 214 = 12673099 is a prime.

It is a super-2 number, since 2×126894832 = 322045957614578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12689483.

It is not an unprimeable number, because it can be changed into a prime (12689423) 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, 1910 + ... + 5387.

It is an arithmetic number, because the mean of its divisors is an integer number (1663944).

Almost surely, 212689483 is an apocalyptic number.

12689483 is a deficient number, since it is larger than the sum of its proper divisors (622069).

12689483 is an equidigital number, since it uses as much as digits as its factorization.

12689483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381.

The product of its digits is 82944, while the sum is 41.

The square root of 12689483 is about 3562.2300599484. The cubic root of 12689483 is about 233.2462352928.

The spelling of 12689483 in words is "twelve million, six hundred eighty-nine thousand, four hundred eighty-three".

Divisors: 1 37 47 1739 7297 269989 342959 12689483