11958612 has 12 divisors (see below), whose sum is σ = 27903456. Its totient is φ = 3986200.

The previous prime is 11958607. The next prime is 11958613. The reversal of 11958612 is 21685911.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11958613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498264 + ... + 498287.

It is an arithmetic number, because the mean of its divisors is an integer number (2325288).

Almost surely, 2^11958612 is an apocalyptic number.

11958612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11958612 is an abundant number, since it is smaller than the sum of its proper divisors (15944844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11958612 is a wasteful number, since it uses less digits than its factorization.

11958612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996558 (or 996556 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 11958612 is about 3458.1226120541. The cubic root of 11958612 is about 228.6793373666.

The spelling of 11958612 in words is "eleven million, nine hundred fifty-eight thousand, six hundred twelve".