3540012 has 96 divisors (see below), whose sum is σ = 10418688. Its totient is φ = 912384.

The previous prime is 3539971. The next prime is 3540041. The reversal of 3540012 is 2100453.

It is a junction number, because it is equal to n+sod(n) for n = 3539973 and 3540000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52803 + ... + 52869.

It is an arithmetic number, because the mean of its divisors is an integer number (108528).

Almost surely, 2^3540012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3540012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5209344).

3540012 is an abundant number, since it is smaller than the sum of its proper divisors (6878676).

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

3540012 is a wasteful number, since it uses less digits than its factorization.

3540012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3540012 is about 1881.4919611840. The cubic root of 3540012 is about 152.4058291665.

Adding to 3540012 its reverse (2100453), we get a palindrome (5640465).

The spelling of 3540012 in words is "three million, five hundred forty thousand, twelve".