3654013 has 4 divisors (see below), whose sum is σ = 3986208. Its totient is φ = 3321820.

The previous prime is 3653999. The next prime is 3654017. The reversal of 3654013 is 3104563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3654013 - 2⁵ = 3653981 is a prime.

It is a super-2 number, since 2×3654013² = 26703622008338, 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 a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166081 + ... + 166102.

It is an arithmetic number, because the mean of its divisors is an integer number (996552).

Almost surely, 2^3654013 is an apocalyptic number.

It is an amenable number.

3654013 is a deficient number, since it is larger than the sum of its proper divisors (332195).

3654013 is a wasteful number, since it uses less digits than its factorization.

3654013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332194.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3654013 is about 1911.5472790386. The cubic root of 3654013 is about 154.0245786373.

Adding to 3654013 its reverse (3104563), we get a palindrome (6758576).

The spelling of 3654013 in words is "three million, six hundred fifty-four thousand, thirteen".