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12924825 = 352172331
BaseRepresentation
bin110001010011…
…011110011001
3220022122112020
4301103132121
511302043300
61141005053
7214600464
oct61233631
926278466
1012924825
117328681
1243b3789
1328a6c34
141a062db
1512048a0
hexc53799

12924825 has 12 divisors (see below), whose sum is σ = 21369168. Its totient is φ = 6893200.

The previous prime is 12924817. The next prime is 12924833. The reversal of 12924825 is 52842921.

It is an interprime number because it is at equal distance from previous prime (12924817) and next prime (12924833).

It is not a de Polignac number, because 12924825 - 23 = 12924817 is a prime.

It is a super-2 number, since 2×129248252 = 334102202561250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 86091 + ... + 86240.

It is an arithmetic number, because the mean of its divisors is an integer number (1780764).

Almost surely, 212924825 is an apocalyptic number.

12924825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12924825 is a deficient number, since it is larger than the sum of its proper divisors (8444343).

12924825 is a wasteful number, since it uses less digits than its factorization.

12924825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172344 (or 172339 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 12924825 is about 3595.1112639249. Note that the first 3 decimals coincide. The cubic root of 12924825 is about 234.6793574816.

The spelling of 12924825 in words is "twelve million, nine hundred twenty-four thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 172331 516993 861655 2584965 4308275 12924825