11667825 has 36 divisors (see below), whose sum is σ = 22511580. Its totient is φ = 5742720.

The previous prime is 11667793. The next prime is 11667829. The reversal of 11667825 is 52876611.

It can be written as a sum of positive squares in 6 ways, for example, as 1382976 + 10284849 = 1176^2 + 3207^2 .

It is not a de Polignac number, because 11667825 - 2⁵ = 11667793 is a prime.

It is a super-2 number, since 2×11667825² = 272276280461250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11667825.

It is not an unprimeable number, because it can be changed into a prime (11667829) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 931 + ... + 4919.

Almost surely, 2^11667825 is an apocalyptic number.

11667825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11667825 is a deficient number, since it is larger than the sum of its proper divisors (10843755).

11667825 is a wasteful number, since it uses less digits than its factorization.

11667825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018 (or 4010 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 11667825 is about 3415.8198137490. The cubic root of 11667825 is about 226.8105763850.

The spelling of 11667825 in words is "eleven million, six hundred sixty-seven thousand, eight hundred twenty-five".