1013403 has 16 divisors (see below), whose sum is σ = 1486080. Its totient is φ = 611424.

The previous prime is 1013401. The next prime is 1013429. The reversal of 1013403 is 3043101.

It is not a de Polignac number, because 1013403 - 2¹ = 1013401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013401) 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, 925 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (92880).

2^1013403 is an apocalyptic number.

1013403 is a deficient number, since it is larger than the sum of its proper divisors (472677).

1013403 is a wasteful number, since it uses less digits than its factorization.

1013403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818.

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

The square root of 1013403 is about 1006.6791941825. The cubic root of 1013403 is about 100.4447853931. Note that the first 3 decimals are identical.

Adding to 1013403 its reverse (3043101), we get a palindrome (4056504).

The spelling of 1013403 in words is "one million, thirteen thousand, four hundred three".