3547012 has 18 divisors (see below), whose sum is σ = 7221102. Its totient is φ = 1520064.

The previous prime is 3547007. The next prime is 3547013. The reversal of 3547012 is 2107453.

3547012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2414916 + 1132096 = 1554^2 + 1064^2 .

It is not an unprimeable number, because it can be changed into a prime (3547013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8853 + ... + 9244.

Almost surely, 2^3547012 is an apocalyptic number.

It is an amenable number.

3547012 is an abundant number, since it is smaller than the sum of its proper divisors (3674090).

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

3547012 is a wasteful number, since it uses less digits than its factorization.

3547012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18115 (or 18106 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3547012 is about 1883.3512683512. The cubic root of 3547012 is about 152.5062185048.

The spelling of 3547012 in words is "three million, five hundred forty-seven thousand, twelve".