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12471716 = 2216131933
BaseRepresentation
bin101111100100…
…110110100100
3212110121222102
4233210312210
511143043331
61123151232
7211002455
oct57446644
925417872
1012471716
117049204
124215518
13277891a
14192912c
1511654cb
hexbe4da4

12471716 has 12 divisors (see below), whose sum is σ = 21850332. Its totient is φ = 6228768.

The previous prime is 12471707. The next prime is 12471751. The reversal of 12471716 is 61717421.

It can be written as a sum of positive squares in 2 ways, for example, as 8145316 + 4326400 = 2854^2 + 2080^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5486 + ... + 7418.

It is an arithmetic number, because the mean of its divisors is an integer number (1820861).

Almost surely, 212471716 is an apocalyptic number.

It is an amenable number.

12471716 is a deficient number, since it is larger than the sum of its proper divisors (9378616).

12471716 is a wasteful number, since it uses less digits than its factorization.

12471716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550 (or 3548 counting only the distinct ones).

The product of its digits is 2352, while the sum is 29.

The square root of 12471716 is about 3531.5316790311. The cubic root of 12471716 is about 231.9042658914.

The spelling of 12471716 in words is "twelve million, four hundred seventy-one thousand, seven hundred sixteen".

Divisors: 1 2 4 1613 1933 3226 3866 6452 7732 3117929 6235858 12471716