4640013 has 12 divisors (see below), whose sum is σ = 7659808. Its totient is φ = 2651400.

The previous prime is 4640003. The next prime is 4640017. The reversal of 4640013 is 3100464.

It is not a de Polignac number, because 4640013 - 2⁸ = 4639757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640017) 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 11 ways as a sum of consecutive naturals, for example, 36763 + ... + 36888.

Almost surely, 2^4640013 is an apocalyptic number.

It is an amenable number.

4640013 is a deficient number, since it is larger than the sum of its proper divisors (3019795).

4640013 is a wasteful number, since it uses less digits than its factorization.

4640013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73664 (or 73661 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4640013 is about 2154.0689404009. The cubic root of 4640013 is about 166.7911740754.

Adding to 4640013 its reverse (3100464), we get a palindrome (7740477).

The spelling of 4640013 in words is "four million, six hundred forty thousand, thirteen".