Search a number
-
+
12051425 = 522320959
BaseRepresentation
bin101101111110…
…001111100001
3211200021110002
4231332033201
511041121200
61110145345
7204302231
oct55761741
924607402
1012051425
116891461
124052255
13265c529
141859cc1
1510d0bd5
hexb7e3e1

12051425 has 12 divisors (see below), whose sum is σ = 15594240. Its totient is φ = 9221520.

The previous prime is 12051409. The next prime is 12051433. The reversal of 12051425 is 52415021.

It is not a de Polignac number, because 12051425 - 24 = 12051409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12051397 and 12051406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9905 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (1299520).

Almost surely, 212051425 is an apocalyptic number.

It is an amenable number.

12051425 is a deficient number, since it is larger than the sum of its proper divisors (3542815).

12051425 is a wasteful number, since it uses less digits than its factorization.

12051425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20992 (or 20987 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 12051425 is about 3471.5162393398. The cubic root of 12051425 is about 229.2694209539.

Adding to 12051425 its reverse (52415021), we get a palindrome (64466446).

The spelling of 12051425 in words is "twelve million, fifty-one thousand, four hundred twenty-five".

Divisors: 1 5 23 25 115 575 20959 104795 482057 523975 2410285 12051425