Search a number
-
+
12525996 = 2237149119
BaseRepresentation
bin101111110010…
…000110101100
3212120101102210
4233302012230
511201312441
61124250420
7211316640
oct57620654
925511383
1012525996
117085a6a
124240a10
132797542
141940c20
151176616
hexbf21ac

12525996 has 24 divisors (see below), whose sum is σ = 33402880. Its totient is φ = 3578832.

The previous prime is 12525979. The next prime is 12526001. The reversal of 12525996 is 69952521.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 74476 + ... + 74643.

Almost surely, 212525996 is an apocalyptic number.

It is an amenable number.

12525996 is an abundant number, since it is smaller than the sum of its proper divisors (20876884).

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

12525996 is a wasteful number, since it uses less digits than its factorization.

12525996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149133 (or 149131 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 12525996 is about 3539.2083860660. The cubic root of 12525996 is about 232.2402139382.

The spelling of 12525996 in words is "twelve million, five hundred twenty-five thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 149119 298238 447357 596476 894714 1043833 1789428 2087666 3131499 4175332 6262998 12525996