Search a number
-
+
1312006 = 24611423
BaseRepresentation
bin101000000010100000110
32110122201211
411000110012
5313441011
644042034
714103043
oct5002406
92418654
101312006
11816803
1253331a
1336c247
142621ca
151adb21
hex140506

1312006 has 8 divisors (see below), whose sum is σ = 1973664. Its totient is φ = 654120.

The previous prime is 1312001. The next prime is 1312019. The reversal of 1312006 is 6002131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312001) 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, 211 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (246708).

21312006 is an apocalyptic number.

1312006 is a deficient number, since it is larger than the sum of its proper divisors (661658).

1312006 is a wasteful number, since it uses less digits than its factorization.

1312006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1312006 is about 1145.4283041727. The cubic root of 1312006 is about 109.4742403769.

Adding to 1312006 its reverse (6002131), we get a palindrome (7314137).

The spelling of 1312006 in words is "one million, three hundred twelve thousand, six".

Divisors: 1 2 461 922 1423 2846 656003 1312006