13311403 has 16 divisors (see below), whose sum is σ = 15644160. Its totient is φ = 11091456.

The previous prime is 13311383. The next prime is 13311409. The reversal of 13311403 is 30411331.

It is a cyclic number.

It is not a de Polignac number, because 13311403 - 2⁵ = 13311371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13311409) 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, 68875 + ... + 69067.

It is an arithmetic number, because the mean of its divisors is an integer number (977760).

Almost surely, 2^13311403 is an apocalyptic number.

13311403 is a deficient number, since it is larger than the sum of its proper divisors (2332757).

13311403 is a wasteful number, since it uses less digits than its factorization.

13311403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13311403 is about 3648.4795463316. The cubic root of 13311403 is about 236.9961425307.

Adding to 13311403 its reverse (30411331), we get a palindrome (43722734).

The spelling of 13311403 in words is "thirteen million, three hundred eleven thousand, four hundred three".