1403013 has 4 divisors (see below), whose sum is σ = 1870688. Its totient is φ = 935340.

The previous prime is 1403009. The next prime is 1403021. The reversal of 1403013 is 3103041.

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 not a de Polignac number, because 1403013 - 2² = 1403009 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1403013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403113) 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, 233833 + ... + 233838.

It is an arithmetic number, because the mean of its divisors is an integer number (467672).

2^1403013 is an apocalyptic number.

It is an amenable number.

1403013 is a deficient number, since it is larger than the sum of its proper divisors (467675).

1403013 is an equidigital number, since it uses as much as digits as its factorization.

1403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467674.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1403013 is about 1184.4884972004. The cubic root of 1403013 is about 111.9490893190.

Adding to 1403013 its reverse (3103041), we get a palindrome (4506054).

It can be divided in two parts, 140301 and 3, that multiplied together give a triangular number (420903 = T₉₁₇).

The spelling of 1403013 in words is "one million, four hundred three thousand, thirteen".