3500013 has 16 divisors (see below), whose sum is σ = 5170176. Its totient is φ = 2088240.

The previous prime is 3499999. The next prime is 3500017. The reversal of 3500013 is 3100053.

It is a happy number.

It is not a de Polignac number, because 3500013 - 2⁸ = 3499757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420 + ... + 3002.

It is an arithmetic number, because the mean of its divisors is an integer number (323136).

Almost surely, 2^3500013 is an apocalyptic number.

3500013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3500013 is a deficient number, since it is larger than the sum of its proper divisors (1670163).

3500013 is a wasteful number, since it uses less digits than its factorization.

3500013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 3500013 is about 1870.8321677799. The cubic root of 3500013 is about 151.8296365729.

Adding to 3500013 its reverse (3100053), we get a palindrome (6600066).

The spelling of 3500013 in words is "three million, five hundred thousand, thirteen".