4012065 has 32 divisors (see below), whose sum is σ = 7223040. Its totient is φ = 2112768.

The previous prime is 4012037. The next prime is 4012067. The reversal of 4012065 is 5602104.

It is a happy number.

It is not a de Polignac number, because 4012065 - 2⁵ = 4012033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4012067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15124 + ... + 15386.

It is an arithmetic number, because the mean of its divisors is an integer number (225720).

Almost surely, 2^4012065 is an apocalyptic number.

4012065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4012065 is a deficient number, since it is larger than the sum of its proper divisors (3210975).

4012065 is a wasteful number, since it uses less digits than its factorization.

4012065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4012065 is about 2003.0139789827. The cubic root of 4012065 is about 158.8995449482.

Adding to 4012065 its reverse (5602104), we get a palindrome (9614169).

The spelling of 4012065 in words is "four million, twelve thousand, sixty-five".