13275003 has 32 divisors (see below), whose sum is σ = 21125632. Its totient is φ = 7257600.

The previous prime is 13274999. The next prime is 13275007. The reversal of 13275003 is 30057231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13274999) and next prime (13275007).

It is not a de Polignac number, because 13275003 - 2² = 13274999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13275007) 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, 54963 + ... + 55203.

It is an arithmetic number, because the mean of its divisors is an integer number (660176).

Almost surely, 2^13275003 is an apocalyptic number.

13275003 is a deficient number, since it is larger than the sum of its proper divisors (7850629).

13275003 is a wasteful number, since it uses less digits than its factorization.

13275003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 13275003 is about 3643.4877521408. The cubic root of 13275003 is about 236.7799235304.

The spelling of 13275003 in words is "thirteen million, two hundred seventy-five thousand, three".