3187013 has 4 divisors (see below), whose sum is σ = 3296940. Its totient is φ = 3077088.

The previous prime is 3186983. The next prime is 3187021. The reversal of 3187013 is 3107813.

It is a happy number.

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 1162084 + 2024929 = 1078^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 3187013 - 2¹² = 3182917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3187013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3187033) 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, 54920 + ... + 54977.

It is an arithmetic number, because the mean of its divisors is an integer number (824235).

Almost surely, 2^3187013 is an apocalyptic number.

It is an amenable number.

3187013 is a deficient number, since it is larger than the sum of its proper divisors (109927).

3187013 is a wasteful number, since it uses less digits than its factorization.

3187013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109926.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 3187013 is about 1785.2207146457. The cubic root of 3187013 is about 147.1616374954.

The spelling of 3187013 in words is "three million, one hundred eighty-seven thousand, thirteen".