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1206013 is a prime number
BaseRepresentation
bin100100110011011111101
32021021100011
410212123331
5302043023
641503221
713152034
oct4463375
92237304
101206013
11754106
124a1b11
13332c23
1423571b
1518c50d
hex1266fd

1206013 has 2 divisors, whose sum is σ = 1206014. Its totient is φ = 1206012.

The previous prime is 1205999. The next prime is 1206017. The reversal of 1206013 is 3106021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1172889 + 33124 = 1083^2 + 182^2 .

It is an emirp because it is prime and its reverse (3106021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1206013 - 213 = 1197821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1205984 and 1206002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603006 + 603007.

It is an arithmetic number, because the mean of its divisors is an integer number (603007).

21206013 is an apocalyptic number.

It is an amenable number.

1206013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206013 is an equidigital number, since it uses as much as digits as its factorization.

1206013 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1206013 is about 1098.1862319297. The cubic root of 1206013 is about 106.4430547767.

The spelling of 1206013 in words is "one million, two hundred six thousand, thirteen".