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12495018 = 232082503
BaseRepresentation
bin101111101010…
…100010101010
3212111210221110
4233222202222
511144320033
61123451150
7211130424
oct57524252
925453843
1012495018
117064768
124226ab6
132786403
141933814
15116c363
hexbea8aa

12495018 has 8 divisors (see below), whose sum is σ = 24990048. Its totient is φ = 4165004.

The previous prime is 12495001. The next prime is 12495019. The reversal of 12495018 is 81059421.

It is a happy number.

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

12495018 is an admirable number.

It is a super-2 number, since 2×124950182 = 312250949640648, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12495019) 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 3 ways as a sum of consecutive naturals, for example, 1041246 + ... + 1041257.

It is an arithmetic number, because the mean of its divisors is an integer number (3123756).

Almost surely, 212495018 is an apocalyptic number.

12495018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12495018 is a wasteful number, since it uses less digits than its factorization.

12495018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082508.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 12495018 is about 3534.8292745195. The cubic root of 12495018 is about 232.0486050561.

The spelling of 12495018 in words is "twelve million, four hundred ninety-five thousand, eighteen".

Divisors: 1 2 3 6 2082503 4165006 6247509 12495018