3120513 has 8 divisors (see below), whose sum is σ = 4538976. Its totient is φ = 1891200.

The previous prime is 3120499. The next prime is 3120527. The reversal of 3120513 is 3150213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3120499) and next prime (3120527).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3120513 - 2⁴ = 3120497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3120492 and 3120501.

It is not an unprimeable number, because it can be changed into a prime (3120563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47248 + ... + 47313.

It is an arithmetic number, because the mean of its divisors is an integer number (567372).

Almost surely, 2^3120513 is an apocalyptic number.

3120513 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3120513 is a deficient number, since it is larger than the sum of its proper divisors (1418463).

3120513 is a wasteful number, since it uses less digits than its factorization.

3120513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94575.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 3120513 is about 1766.4973818265. The cubic root of 3120513 is about 146.1308796997.

Adding to 3120513 its reverse (3150213), we get a palindrome (6270726).

The spelling of 3120513 in words is "three million, one hundred twenty thousand, five hundred thirteen".