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12930552 = 2332179591
BaseRepresentation
bin110001010100…
…110111111000
3220022221101100
4301110313320
511302234202
61141051400
7214623255
oct61246770
926287340
1012930552
117331a08
1243b6b60
1328a971b
141a0842c
15120641c
hexc54df8

12930552 has 24 divisors (see below), whose sum is σ = 35020440. Its totient is φ = 4310160.

The previous prime is 12930551. The next prime is 12930571. The reversal of 12930552 is 25503921.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12930551) 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 5 ways as a sum of consecutive naturals, for example, 89724 + ... + 89867.

It is an arithmetic number, because the mean of its divisors is an integer number (1459185).

Almost surely, 212930552 is an apocalyptic number.

12930552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12930552 is an abundant number, since it is smaller than the sum of its proper divisors (22089888).

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

12930552 is a wasteful number, since it uses less digits than its factorization.

12930552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179603 (or 179596 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 12930552 is about 3595.9076740094. The cubic root of 12930552 is about 234.7140145652.

The spelling of 12930552 in words is "twelve million, nine hundred thirty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 179591 359182 538773 718364 1077546 1436728 1616319 2155092 3232638 4310184 6465276 12930552