3654012 has 12 divisors (see below), whose sum is σ = 8526056. Its totient is φ = 1218000.

The previous prime is 3653999. The next prime is 3654017. The reversal of 3654012 is 2104563.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3654012² = 26703607392288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3654012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152239 + ... + 152262.

Almost surely, 2^3654012 is an apocalyptic number.

It is an amenable number.

3654012 is an abundant number, since it is smaller than the sum of its proper divisors (4872044).

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

3654012 is a wasteful number, since it uses less digits than its factorization.

3654012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304508 (or 304506 counting only the distinct ones).

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

The square root of 3654012 is about 1911.5470174704. The cubic root of 3654012 is about 154.0245645866.

Adding to 3654012 its reverse (2104563), we get a palindrome (5758575).

The spelling of 3654012 in words is "three million, six hundred fifty-four thousand, twelve".