13272403 has 8 divisors (see below), whose sum is σ = 13897728. Its totient is φ = 12651144.

The previous prime is 13272383. The next prime is 13272407. The reversal of 13272403 is 30427231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13272403 - 2⁹ = 13271891 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13272407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7150 + ... + 8812.

It is an arithmetic number, because the mean of its divisors is an integer number (1737216).

Almost surely, 2^13272403 is an apocalyptic number.

13272403 is a deficient number, since it is larger than the sum of its proper divisors (625325).

13272403 is a wasteful number, since it uses less digits than its factorization.

13272403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 13272403 is about 3643.1309336888. The cubic root of 13272403 is about 236.7644641993.

Adding to 13272403 its reverse (30427231), we get a palindrome (43699634).

The spelling of 13272403 in words is "thirteen million, two hundred seventy-two thousand, four hundred three".