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12413216 = 25387913
BaseRepresentation
bin101111010110…
…100100100000
3212100122201202
4233112210200
511134210331
61122020332
7210340064
oct57264440
925318652
1012413216
117009262
1241a76a8
1327580ca
141911aa4
151152ecb
hexbd6920

12413216 has 12 divisors (see below), whose sum is σ = 24438582. Its totient is φ = 6206592.

The previous prime is 12413209. The next prime is 12413227. The reversal of 12413216 is 61231421.

It can be written as a sum of positive squares in only one way, i.e., 12250000 + 163216 = 3500^2 + 404^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193925 + ... + 193988.

Almost surely, 212413216 is an apocalyptic number.

12413216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12413216 is a deficient number, since it is larger than the sum of its proper divisors (12025366).

12413216 is an equidigital number, since it uses as much as digits as its factorization.

12413216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387923 (or 387915 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 12413216 is about 3523.2394184898. The cubic root of 12413216 is about 231.5411063876.

Adding to 12413216 its reverse (61231421), we get a palindrome (73644637).

The spelling of 12413216 in words is "twelve million, four hundred thirteen thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 387913 775826 1551652 3103304 6206608 12413216