1140013 has 4 divisors (see below), whose sum is σ = 1302880. Its totient is φ = 977148.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140013 is 3100411.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3100411 = 97 ⋅31963.

It is a cyclic number.

It is not a de Polignac number, because 1140013 - 2¹³ = 1131821 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 (1140413) 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, 81423 + ... + 81436.

It is an arithmetic number, because the mean of its divisors is an integer number (325720).

2^1140013 is an apocalyptic number.

It is an amenable number.

1140013 is a deficient number, since it is larger than the sum of its proper divisors (162867).

1140013 is an equidigital number, since it uses as much as digits as its factorization.

1140013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162866.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1140013 is about 1067.7139129936. The cubic root of 1140013 is about 104.4647897676.

Adding to 1140013 its reverse (3100411), we get a palindrome (4240424).

The spelling of 1140013 in words is "one million, one hundred forty thousand, thirteen".