1332403 has 4 divisors (see below), whose sum is σ = 1360800. Its totient is φ = 1304008.

The previous prime is 1332389. The next prime is 1332421. The reversal of 1332403 is 3042331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3042331 = 107 ⋅28433.

It is a cyclic number.

It is not a de Polignac number, because 1332403 - 2⁵ = 1332371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1332433) 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, 14128 + ... + 14221.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

2^1332403 is an apocalyptic number.

1332403 is a deficient number, since it is larger than the sum of its proper divisors (28397).

1332403 is an equidigital number, since it uses as much as digits as its factorization.

1332403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28396.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1332403 is about 1154.2976219329. The cubic root of 1332403 is about 110.0386365654.

Adding to 1332403 its reverse (3042331), we get a palindrome (4374734).

The spelling of 1332403 in words is "one million, three hundred thirty-two thousand, four hundred three".