1144013 has 4 divisors (see below), whose sum is σ = 1232028. Its totient is φ = 1056000.

The previous prime is 1144007. The next prime is 1144019. The reversal of 1144013 is 3104411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3104411 = 37 ⋅83903.

It is an interprime number because it is at equal distance from previous prime (1144007) and next prime (1144019).

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 1075369 = 262^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144013 - 2⁶ = 1143949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144019) 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 3 ways as a sum of consecutive naturals, for example, 43988 + ... + 44013.

It is an arithmetic number, because the mean of its divisors is an integer number (308007).

2^1144013 is an apocalyptic number.

1144013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1144013 is a deficient number, since it is larger than the sum of its proper divisors (88015).

1144013 is an equidigital number, since it uses as much as digits as its factorization.

1144013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88014.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1144013 is about 1069.5854337078. The cubic root of 1144013 is about 104.5868267943.

Adding to 1144013 its reverse (3104411), we get a palindrome (4248424).

The spelling of 1144013 in words is "one million, one hundred forty-four thousand, thirteen".