Search a number
-
+
12071425 = 524111777
BaseRepresentation
bin101110000011…
…001000000001
3211201021212211
4232003020001
511042241200
61110422121
7204414442
oct56031001
924637784
1012071425
1168a5493
124061941
132668672
1418632c9
1510d6aba
hexb83201

12071425 has 12 divisors (see below), whose sum is σ = 15334956. Its totient is φ = 9420800.

The previous prime is 12071407. The next prime is 12071429. The reversal of 12071425 is 52417021.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1201216 + 10870209 = 1096^2 + 3297^2 .

It is not a de Polignac number, because 12071425 - 29 = 12070913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12071396 and 12071405.

It is not an unprimeable number, because it can be changed into a prime (12071429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4864 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (1277913).

Almost surely, 212071425 is an apocalyptic number.

It is an amenable number.

12071425 is a deficient number, since it is larger than the sum of its proper divisors (3263531).

12071425 is a wasteful number, since it uses less digits than its factorization.

12071425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828 (or 11823 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12071425 is about 3474.3956308976. The cubic root of 12071425 is about 229.3961792470.

Adding to 12071425 its reverse (52417021), we get a palindrome (64488446).

The spelling of 12071425 in words is "twelve million, seventy-one thousand, four hundred twenty-five".

Divisors: 1 5 25 41 205 1025 11777 58885 294425 482857 2414285 12071425