4987013 has 4 divisors (see below), whose sum is σ = 5007948. Its totient is φ = 4966080.

The previous prime is 4987009. The next prime is 4987019. The reversal of 4987013 is 3107894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3107894 = 2 ⋅1553947.

It can be written as a sum of positive squares in 2 ways, for example, as 4153444 + 833569 = 2038^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 4987013 - 2² = 4987009 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 (4987019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10106 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (1251987).

Almost surely, 2^4987013 is an apocalyptic number.

It is an amenable number.

4987013 is a deficient number, since it is larger than the sum of its proper divisors (20935).

4987013 is a wasteful number, since it uses less digits than its factorization.

4987013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20934.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 4987013 is about 2233.1621078641. The cubic root of 4987013 is about 170.8494165835.

The spelling of 4987013 in words is "four million, nine hundred eighty-seven thousand, thirteen".