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1233013 = 10311971
BaseRepresentation
bin100101101000001110101
32022122101011
410231001311
5303424023
642232221
713323535
oct4550165
92278334
101233013
11772421
124b5671
133422c2
142414c5
1519550d
hex12d075

1233013 has 4 divisors (see below), whose sum is σ = 1245088. Its totient is φ = 1220940.

The previous prime is 1232999. The next prime is 1233019. The reversal of 1233013 is 3103321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1233013 - 25 = 1232981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232984 and 1233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233019) 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, 5883 + ... + 6088.

It is an arithmetic number, because the mean of its divisors is an integer number (311272).

21233013 is an apocalyptic number.

It is an amenable number.

1233013 is a deficient number, since it is larger than the sum of its proper divisors (12075).

1233013 is a wasteful number, since it uses less digits than its factorization.

1233013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12074.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1233013 is about 1110.4111851022. The cubic root of 1233013 is about 107.2315421495.

Adding to 1233013 its reverse (3103321), we get a palindrome (4336334).

It can be divided in two parts, 123 and 3013, that added together give a square (3136 = 562).

The spelling of 1233013 in words is "one million, two hundred thirty-three thousand, thirteen".

Divisors: 1 103 11971 1233013