11879825 has 18 divisors (see below), whose sum is σ = 15140214. Its totient is φ = 9246720.

The previous prime is 11879773. The next prime is 11879831. The reversal of 11879825 is 52897811.

It can be written as a sum of positive squares in 3 ways, for example, as 3579664 + 8300161 = 1892^2 + 2881^2 .

It is not a de Polignac number, because 11879825 - 2⁶ = 11879761 is a prime.

It is a super-2 number, since 2×11879825² = 282260484061250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46097 + ... + 46353.

It is an arithmetic number, because the mean of its divisors is an integer number (841123).

Almost surely, 2^11879825 is an apocalyptic number.

It is an amenable number.

11879825 is a deficient number, since it is larger than the sum of its proper divisors (3260389).

11879825 is an equidigital number, since it uses as much as digits as its factorization.

11879825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 305 counting only the distinct ones).

The product of its digits is 40320, while the sum is 41.

The square root of 11879825 is about 3446.7122015045. The cubic root of 11879825 is about 228.1760272417.

The spelling of 11879825 in words is "eleven million, eight hundred seventy-nine thousand, eight hundred twenty-five".