1244013 has 16 divisors (see below), whose sum is σ = 1747200. Its totient is φ = 786240.

The previous prime is 1244003. The next prime is 1244021. The reversal of 1244013 is 3104421.

It is not a de Polignac number, because 1244013 - 2⁴ = 1243997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1243983 and 1244001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6783 + ... + 6963.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2^1244013 is an apocalyptic number.

It is an amenable number.

1244013 is a deficient number, since it is larger than the sum of its proper divisors (503187).

1244013 is a wasteful number, since it uses less digits than its factorization.

1244013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1244013 is about 1115.3533072529. The cubic root of 1244013 is about 107.5494778548.

Adding to 1244013 its reverse (3104421), we get a palindrome (4348434).

The spelling of 1244013 in words is "one million, two hundred forty-four thousand, thirteen".