13069225 has 12 divisors (see below), whose sum is σ = 17452876. Its totient is φ = 9650880.

The previous prime is 13069219. The next prime is 13069229. The reversal of 13069225 is 52296031.

It can be written as a sum of positive squares in 6 ways, for example, as 1671849 + 11397376 = 1293^2 + 3376^2 .

It is not a de Polignac number, because 13069225 - 2⁵ = 13069193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13069193 and 13069202.

It is not an unprimeable number, because it can be changed into a prime (13069229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19782 + ... + 20431.

Almost surely, 2^13069225 is an apocalyptic number.

It is an amenable number.

13069225 is a deficient number, since it is larger than the sum of its proper divisors (4383651).

13069225 is a wasteful number, since it uses less digits than its factorization.

13069225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40236 (or 40231 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 13069225 is about 3615.1383099406. The cubic root of 13069225 is about 235.5500920456.

The spelling of 13069225 in words is "thirteen million, sixty-nine thousand, two hundred twenty-five".