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1080013 = 11472089
BaseRepresentation
bin100000111101011001101
32000212111111
410013223031
5234030023
635052021
712115504
oct4075315
92025444
101080013
11678480
12441011
132ba77c
1420183b
1516500d
hex107acd

1080013 has 8 divisors (see below), whose sum is σ = 1203840. Its totient is φ = 960480.

The previous prime is 1080007. The next prime is 1080029. The reversal of 1080013 is 3100801.

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

It is a cyclic number.

It is not a de Polignac number, because 1080013 - 213 = 1071821 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1079975 and 1080002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (150480).

21080013 is an apocalyptic number.

It is an amenable number.

1080013 is a deficient number, since it is larger than the sum of its proper divisors (123827).

1080013 is a wasteful number, since it uses less digits than its factorization.

1080013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1080013 is about 1039.2367391504. The cubic root of 1080013 is about 102.5989684598.

Adding to 1080013 its reverse (3100801), we get a palindrome (4180814).

The spelling of 1080013 in words is "one million, eighty thousand, thirteen".

Divisors: 1 11 47 517 2089 22979 98183 1080013