3506013 has 48 divisors (see below), whose sum is σ = 6364800. Its totient is φ = 1814400.

The previous prime is 3505991. The next prime is 3506023. The reversal of 3506013 is 3106053.

Added to its reverse (3106053) it gives a triangular number (6612066 = T₃₆₃₆).

It is not a de Polignac number, because 3506013 - 2⁵ = 3505981 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34663 + ... + 34763.

It is an arithmetic number, because the mean of its divisors is an integer number (132600).

Almost surely, 2^3506013 is an apocalyptic number.

It is an amenable number.

3506013 is a deficient number, since it is larger than the sum of its proper divisors (2858787).

3506013 is a wasteful number, since it uses less digits than its factorization.

3506013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 3506013 is about 1872.4350456024. The cubic root of 3506013 is about 151.9163465135.

Adding to 3506013 its reverse (3106053), we get a triangular number (6612066 = T₃₆₃₆).

The spelling of 3506013 in words is "three million, five hundred six thousand, thirteen".