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12572922 = 232095487
BaseRepresentation
bin101111111101…
…100011111010
3212122202210210
4233331203322
511204313142
61125251550
7211603515
oct57754372
925582723
1012572922
11710824a
124263bb6
1327b29cb
141953d7c
15118549c
hexbfd8fa

12572922 has 8 divisors (see below), whose sum is σ = 25145856. Its totient is φ = 4190972.

The previous prime is 12572909. The next prime is 12572969. The reversal of 12572922 is 22927521.

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

12572922 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12572922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047738 + ... + 1047749.

It is an arithmetic number, because the mean of its divisors is an integer number (3143232).

Almost surely, 212572922 is an apocalyptic number.

12572922 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.

12572922 is a wasteful number, since it uses less digits than its factorization.

12572922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095492.

The product of its digits is 5040, while the sum is 30.

The square root of 12572922 is about 3545.8316372891. The cubic root of 12572922 is about 232.5298655126.

It can be divided in two parts, 125729 and 22, that added together give a triangular number (125751 = T501).

The spelling of 12572922 in words is "twelve million, five hundred seventy-two thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 2095487 4190974 6286461 12572922