Search a number
-
+
12070523 = 41294403
BaseRepresentation
bin101110000010…
…111001111011
3211201020122102
4232002321323
511042224043
61110414015
7204412013
oct56027173
924636572
1012070523
1168a4843
12406130b
13266812a
141862c43
1510d66b8
hexb82e7b

12070523 has 4 divisors (see below), whose sum is σ = 12364968. Its totient is φ = 11776080.

The previous prime is 12070517. The next prime is 12070543. The reversal of 12070523 is 32507021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32507021 = 43977393.

It is a cyclic number.

It is not a de Polignac number, because 12070523 - 212 = 12066427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12070495 and 12070504.

It is not an unprimeable number, because it can be changed into a prime (12070543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147161 + ... + 147242.

It is an arithmetic number, because the mean of its divisors is an integer number (3091242).

Almost surely, 212070523 is an apocalyptic number.

12070523 is a deficient number, since it is larger than the sum of its proper divisors (294445).

12070523 is an equidigital number, since it uses as much as digits as its factorization.

12070523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294444.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 12070523 is about 3474.2658217241. The cubic root of 12070523 is about 229.3904654640.

Adding to 12070523 its reverse (32507021), we get a palindrome (44577544).

The spelling of 12070523 in words is "twelve million, seventy thousand, five hundred twenty-three".

Divisors: 1 41 294403 12070523