4012536 has 32 divisors (see below), whose sum is σ = 10944000. Its totient is φ = 1215840.

The previous prime is 4012507. The next prime is 4012537. The reversal of 4012536 is 6352104.

It is a happy number.

It is a super-2 number, since 2×4012536² = 32200890302592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012537) 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, 7336 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (342000).

Almost surely, 2^4012536 is an apocalyptic number.

It is an amenable number.

4012536 is an abundant number, since it is smaller than the sum of its proper divisors (6931464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4012536 is a wasteful number, since it uses less digits than its factorization.

4012536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15219 (or 15215 counting only the distinct ones).

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

The square root of 4012536 is about 2003.1315483512. The cubic root of 4012536 is about 158.9057627568.

The spelling of 4012536 in words is "four million, twelve thousand, five hundred thirty-six".