4144013 has 4 divisors (see below), whose sum is σ = 4286940. Its totient is φ = 4001088.

The previous prime is 4144001. The next prime is 4144031. The reversal of 4144013 is 3104414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3104414 = 2 ⋅1552207.

It can be written as a sum of positive squares in 2 ways, for example, as 3247204 + 896809 = 1802^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144013 - 2⁸ = 4143757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4143982 and 4144000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144043) 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, 71420 + ... + 71477.

It is an arithmetic number, because the mean of its divisors is an integer number (1071735).

Almost surely, 2^4144013 is an apocalyptic number.

It is an amenable number.

4144013 is a deficient number, since it is larger than the sum of its proper divisors (142927).

4144013 is a wasteful number, since it uses less digits than its factorization.

4144013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142926.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4144013 is about 2035.6848970310. The cubic root of 4144013 is about 160.6227423262.

Adding to 4144013 its reverse (3104414), we get a palindrome (7248427).

The spelling of 4144013 in words is "four million, one hundred forty-four thousand, thirteen".