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12982403 = 72534999
BaseRepresentation
bin110001100001…
…100010000011
3220102120111202
4301201202003
511310414103
61142131415
7215230400
oct61414203
926376452
1012982403
117367965
124420b6b
1328c71c5
141a1d2a7
151216988
hexc61883

12982403 has 12 divisors (see below), whose sum is σ = 15390000. Its totient is φ = 10915632.

The previous prime is 12982381. The next prime is 12982427. The reversal of 12982403 is 30428921.

It is not a de Polignac number, because 12982403 - 28 = 12982147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12982433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (1282500).

Almost surely, 212982403 is an apocalyptic number.

12982403 is a deficient number, since it is larger than the sum of its proper divisors (2407597).

12982403 is an equidigital number, since it uses as much as digits as its factorization.

12982403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12982403 is about 3603.1101842714. The cubic root of 12982403 is about 235.0273274392.

The spelling of 12982403 in words is "twelve million, nine hundred eighty-two thousand, four hundred three".

Divisors: 1 7 49 53 371 2597 4999 34993 244951 264947 1854629 12982403