13441403 has 4 divisors (see below), whose sum is σ = 13592520. Its totient is φ = 13290288.

The previous prime is 13441391. The next prime is 13441409. The reversal of 13441403 is 30414431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30414431 = 907 ⋅33533.

It is a cyclic number.

It is not a de Polignac number, because 13441403 - 2¹⁰ = 13440379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13441409) 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, 75425 + ... + 75602.

It is an arithmetic number, because the mean of its divisors is an integer number (3398130).

Almost surely, 2^13441403 is an apocalyptic number.

13441403 is a deficient number, since it is larger than the sum of its proper divisors (151117).

13441403 is an equidigital number, since it uses as much as digits as its factorization.

13441403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151116.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13441403 is about 3666.2519007837. The cubic root of 13441403 is about 237.7651509601.

Adding to 13441403 its reverse (30414431), we get a palindrome (43855834).

The spelling of 13441403 in words is "thirteen million, four hundred forty-one thousand, four hundred three".