11671225 has 12 divisors (see below), whose sum is σ = 15234640. Its totient is φ = 8845200.

The previous prime is 11671217. The next prime is 11671237. The reversal of 11671225 is 52217611.

11671225 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 11671225 - 2³ = 11671217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 11671225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11811 + ... + 12760.

Almost surely, 2^11671225 is an apocalyptic number.

It is an amenable number.

11671225 is a deficient number, since it is larger than the sum of its proper divisors (3563415).

11671225 is a wasteful number, since it uses less digits than its factorization.

11671225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24600 (or 24595 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 11671225 is about 3416.3174618293. The cubic root of 11671225 is about 226.8326050855.

Adding to 11671225 its reverse (52217611), we get a palindrome (63888836).

The spelling of 11671225 in words is "eleven million, six hundred seventy-one thousand, two hundred twenty-five".