13265403 has 4 divisors (see below), whose sum is σ = 17687208. Its totient is φ = 8843600.

The previous prime is 13265381. The next prime is 13265419. The reversal of 13265403 is 30456231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13265403 - 2⁹ = 13264891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13261403) 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, 2210898 + ... + 2210903.

It is an arithmetic number, because the mean of its divisors is an integer number (4421802).

Almost surely, 2^13265403 is an apocalyptic number.

13265403 is a deficient number, since it is larger than the sum of its proper divisors (4421805).

13265403 is an equidigital number, since it uses as much as digits as its factorization.

13265403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421804.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13265403 is about 3642.1700948748. The cubic root of 13265403 is about 236.7228328860.

The spelling of 13265403 in words is "thirteen million, two hundred sixty-five thousand, four hundred three".