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12480772 = 2210130893
BaseRepresentation
bin101111100111…
…000100000100
3212111002101211
4233213010010
511143341042
61123301204
7211041043
oct57470404
925432354
1012480772
117054a97
12421a804
13277ca95
14192c55a
151168017
hexbe7104

12480772 has 12 divisors (see below), whose sum is σ = 22058316. Its totient is φ = 6178400.

The previous prime is 12480761. The next prime is 12480773. The reversal of 12480772 is 27708421.

It can be written as a sum of positive squares in 2 ways, for example, as 9036036 + 3444736 = 3006^2 + 1856^2 .

It is not an unprimeable number, because it can be changed into a prime (12480773) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 15043 + ... + 15850.

It is an arithmetic number, because the mean of its divisors is an integer number (1838193).

Almost surely, 212480772 is an apocalyptic number.

It is an amenable number.

12480772 is a deficient number, since it is larger than the sum of its proper divisors (9577544).

12480772 is a wasteful number, since it uses less digits than its factorization.

12480772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30998 (or 30996 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 12480772 is about 3532.8136095752. The cubic root of 12480772 is about 231.9603826525.

The spelling of 12480772 in words is "twelve million, four hundred eighty thousand, seven hundred seventy-two".

Divisors: 1 2 4 101 202 404 30893 61786 123572 3120193 6240386 12480772