4012505 has 8 divisors (see below), whose sum is σ = 5502912. Its totient is φ = 2751408.

The previous prime is 4012499. The next prime is 4012507. The reversal of 4012505 is 5052104.

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

It is a cyclic number.

It is not a de Polignac number, because 4012505 - 2⁶ = 4012441 is a prime.

It is a super-2 number, since 2×4012505² = 32200392750050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012507) 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, 57287 + ... + 57356.

It is an arithmetic number, because the mean of its divisors is an integer number (687864).

Almost surely, 2^4012505 is an apocalyptic number.

It is an amenable number.

4012505 is a deficient number, since it is larger than the sum of its proper divisors (1490407).

4012505 is a wasteful number, since it uses less digits than its factorization.

4012505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114655.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 4012505 is about 2003.1238104521. The cubic root of 4012505 is about 158.9053535317.

Adding to 4012505 its reverse (5052104), we get a palindrome (9064609).

The spelling of 4012505 in words is "four million, twelve thousand, five hundred five".