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12472487 = 41614987
BaseRepresentation
bin101111100101…
…000010100111
3212110200000222
4233211002213
511143104422
61123154555
7211004636
oct57450247
925420028
1012472487
117049845
124215a5b
132779091
14192951d
151165842
hexbe50a7

12472487 has 8 divisors (see below), whose sum is σ = 12988752. Its totient is φ = 11966400.

The previous prime is 12472483. The next prime is 12472513. The reversal of 12472487 is 78427421.

It is a happy number.

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 12472487 - 22 = 12472483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472483) 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 7 ways as a sum of consecutive naturals, for example, 8 + ... + 4994.

It is an arithmetic number, because the mean of its divisors is an integer number (1623594).

Almost surely, 212472487 is an apocalyptic number.

12472487 is a deficient number, since it is larger than the sum of its proper divisors (516265).

12472487 is an equidigital number, since it uses as much as digits as its factorization.

12472487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089.

The product of its digits is 25088, while the sum is 35.

The square root of 12472487 is about 3531.6408367783. The cubic root of 12472487 is about 231.9090445577.

The spelling of 12472487 in words is "twelve million, four hundred seventy-two thousand, four hundred eighty-seven".

Divisors: 1 41 61 2501 4987 204467 304207 12472487