13145275 has 24 divisors (see below), whose sum is σ = 19155024. Its totient is φ = 8822400.

The previous prime is 13145273. The next prime is 13145299. The reversal of 13145275 is 57254131.

13145275 = T₁₀₆ + T₁₀₇ + ... + T₄₃₀.

It is a happy number.

13145275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13145275 - 2¹ = 13145273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13145273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1737 + ... + 5413.

It is an arithmetic number, because the mean of its divisors is an integer number (798126).

Almost surely, 2^13145275 is an apocalyptic number.

13145275 is a deficient number, since it is larger than the sum of its proper divisors (6009749).

13145275 is a wasteful number, since it uses less digits than its factorization.

13145275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711 (or 3706 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 13145275 is about 3625.6413225800. The cubic root of 13145275 is about 236.0060984252.

The spelling of 13145275 in words is "thirteen million, one hundred forty-five thousand, two hundred seventy-five".