4012546 has 4 divisors (see below), whose sum is σ = 6018822. Its totient is φ = 2006272.

The previous prime is 4012537. The next prime is 4012549. The reversal of 4012546 is 6452104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3861225 + 151321 = 1965^2 + 389^2 .

It is a super-2 number, since 2×4012546² = 32201050804232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4012549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003135 + ... + 1003138.

Almost surely, 2^4012546 is an apocalyptic number.

4012546 is a deficient number, since it is larger than the sum of its proper divisors (2006276).

4012546 is a wasteful number, since it uses less digits than its factorization.

4012546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006275.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4012546 is about 2003.1340444414. The cubic root of 4012546 is about 158.9058947644.

The spelling of 4012546 in words is "four million, twelve thousand, five hundred forty-six".