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12958485 = 35863899
BaseRepresentation
bin110001011011…
…101100010101
3220101100200220
4301123230111
511304132420
61141424553
7215100561
oct61335425
926340626
1012958485
1173509a1
12440b159
1328b9357
141a146a1
15120e840
hexc5bb15

12958485 has 8 divisors (see below), whose sum is σ = 20733600. Its totient is φ = 6911184.

The previous prime is 12958483. The next prime is 12958487. The reversal of 12958485 is 58485921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12958483) and next prime (12958487).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12958485 - 21 = 12958483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12958481) 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, 431935 + ... + 431964.

It is an arithmetic number, because the mean of its divisors is an integer number (2591700).

Almost surely, 212958485 is an apocalyptic number.

12958485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12958485 is a deficient number, since it is larger than the sum of its proper divisors (7775115).

12958485 is an equidigital number, since it uses as much as digits as its factorization.

12958485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863907.

The product of its digits is 115200, while the sum is 42.

The square root of 12958485 is about 3599.7895771836. The cubic root of 12958485 is about 234.8829052979.

The spelling of 12958485 in words is "twelve million, nine hundred fifty-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 15 863899 2591697 4319495 12958485