13361403 has 32 divisors (see below), whose sum is σ = 20662272. Its totient is φ = 7603200.

The previous prime is 13361401. The next prime is 13361407. The reversal of 13361403 is 30416331.

It is not a de Polignac number, because 13361403 - 2¹ = 13361401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13361403.

It is not an unprimeable number, because it can be changed into a prime (13361401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37675 + ... + 38027.

It is an arithmetic number, because the mean of its divisors is an integer number (645696).

Almost surely, 2^13361403 is an apocalyptic number.

13361403 is a deficient number, since it is larger than the sum of its proper divisors (7300869).

13361403 is a wasteful number, since it uses less digits than its factorization.

13361403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 13361403 is about 3655.3252933221. The cubic root of 13361403 is about 237.2925050140.

Adding to 13361403 its reverse (30416331), we get a palindrome (43777734).

The spelling of 13361403 in words is "thirteen million, three hundred sixty-one thousand, four hundred three".