Search a number
-
+
1207013 = 1963527
BaseRepresentation
bin100100110101011100101
32021022201012
410212223211
5302111023
641512005
713154663
oct4465345
92238635
101207013
11754935
124a2605
13333512
14235c33
1518c978
hex126ae5

1207013 has 4 divisors (see below), whose sum is σ = 1270560. Its totient is φ = 1143468.

The previous prime is 1207001. The next prime is 1207027. The reversal of 1207013 is 3107021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3107021 = 4175781.

It is a cyclic number.

It is not a de Polignac number, because 1207013 - 216 = 1141477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207033) 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 3 ways as a sum of consecutive naturals, for example, 31745 + ... + 31782.

It is an arithmetic number, because the mean of its divisors is an integer number (317640).

21207013 is an apocalyptic number.

It is an amenable number.

1207013 is a deficient number, since it is larger than the sum of its proper divisors (63547).

1207013 is an equidigital number, since it uses as much as digits as its factorization.

1207013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63546.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1207013 is about 1098.6414337717. The cubic root of 1207013 is about 106.4724667450.

The spelling of 1207013 in words is "one million, two hundred seven thousand, thirteen".

Divisors: 1 19 63527 1207013