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12995048 = 2311147671
BaseRepresentation
bin110001100100…
…100111101000
3220110012212002
4301210213220
511311320143
61142310132
7215312303
oct61444750
926405762
1012995048
117376410
124428348
1328ccba1
141a23b3a
15121a5b8
hexc649e8

12995048 has 16 divisors (see below), whose sum is σ = 26580960. Its totient is φ = 5906800.

The previous prime is 12995041. The next prime is 12995051. The reversal of 12995048 is 84059921.

It is not an unprimeable number, because it can be changed into a prime (12995041) 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, 73748 + ... + 73923.

It is an arithmetic number, because the mean of its divisors is an integer number (1661310).

Almost surely, 212995048 is an apocalyptic number.

It is an amenable number.

12995048 is an abundant number, since it is smaller than the sum of its proper divisors (13585912).

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

12995048 is a wasteful number, since it uses less digits than its factorization.

12995048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147688 (or 147684 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 12995048 is about 3604.8644912118. The cubic root of 12995048 is about 235.1036090589.

The spelling of 12995048 in words is "twelve million, nine hundred ninety-five thousand, forty-eight".

Divisors: 1 2 4 8 11 22 44 88 147671 295342 590684 1181368 1624381 3248762 6497524 12995048