4012635 has 32 divisors (see below), whose sum is σ = 7112448. Its totient is φ = 1915520.

The previous prime is 4012633. The next prime is 4012639. The reversal of 4012635 is 5362104.

It is a happy number.

It is not a de Polignac number, because 4012635 - 2¹ = 4012633 is a prime.

It is a super-2 number, since 2×4012635² = 32202479286450, which contains 22 as substring.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4012633) 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, 13549 + ... + 13841.

It is an arithmetic number, because the mean of its divisors is an integer number (222264).

Almost surely, 2^4012635 is an apocalyptic number.

4012635 is a deficient number, since it is larger than the sum of its proper divisors (3099813).

4012635 is a wasteful number, since it uses less digits than its factorization.

4012635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4012635 is about 2003.1562595065. The cubic root of 4012635 is about 158.9070696228.

Adding to 4012635 its reverse (5362104), we get a palindrome (9374739).

The spelling of 4012635 in words is "four million, twelve thousand, six hundred thirty-five".