7506013 has 4 divisors (see below), whose sum is σ = 7553980. Its totient is φ = 7458048.

The previous prime is 7506011. The next prime is 7506029. The reversal of 7506013 is 3106057.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1170724 + 6335289 = 1082^2 + 2517^2 .

It is a cyclic number.

It is not a de Polignac number, because 7506013 - 2¹ = 7506011 is a prime.

It is a Duffinian number.

7506013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7506011) 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, 23748 + ... + 24061.

It is an arithmetic number, because the mean of its divisors is an integer number (1888495).

Almost surely, 2^7506013 is an apocalyptic number.

It is an amenable number.

7506013 is a deficient number, since it is larger than the sum of its proper divisors (47967).

7506013 is a wasteful number, since it uses less digits than its factorization.

7506013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47966.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 7506013 is about 2739.7103861540. The cubic root of 7506013 is about 195.7956794161.

The spelling of 7506013 in words is "seven million, five hundred six thousand, thirteen".