11958225 has 48 divisors (see below), whose sum is σ = 21373632. Its totient is φ = 5877760.

The previous prime is 11958223. The next prime is 11958241. The reversal of 11958225 is 52285911.

It is not a de Polignac number, because 11958225 - 2¹ = 11958223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11958223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105769 + ... + 105881.

It is an arithmetic number, because the mean of its divisors is an integer number (445284).

Almost surely, 2^11958225 is an apocalyptic number.

11958225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11958225 is a deficient number, since it is larger than the sum of its proper divisors (9415407).

11958225 is a wasteful number, since it uses less digits than its factorization.

11958225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 221 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

The square root of 11958225 is about 3458.0666563847. The cubic root of 11958225 is about 228.6768705291.

The spelling of 11958225 in words is "eleven million, nine hundred fifty-eight thousand, two hundred twenty-five".