13275045 has 96 divisors (see below), whose sum is σ = 29023488. Its totient is φ = 5474304.

The previous prime is 13275043. The next prime is 13275047. The reversal of 13275045 is 54057231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13275043) and next prime (13275047).

It is not a de Polignac number, because 13275045 - 2¹ = 13275043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13275043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 198102 + ... + 198168.

It is an arithmetic number, because the mean of its divisors is an integer number (302328).

Almost surely, 2^13275045 is an apocalyptic number.

13275045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13275045 is an abundant number, since it is smaller than the sum of its proper divisors (15748443).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13275045 is a wasteful number, since it uses less digits than its factorization.

13275045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 13275045 is about 3643.4935158444. The cubic root of 13275045 is about 236.7801732415.

The spelling of 13275045 in words is "thirteen million, two hundred seventy-five thousand, forty-five".