193812 has 24 divisors (see below), whose sum is σ = 467712. Its totient is φ = 62400.

The previous prime is 193811. The next prime is 193813. The reversal of 193812 is 218391.

193812 is nontrivially palindromic in base 5.

193812 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (193811) and next prime (193813).

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112 + ... + 632.

It is an arithmetic number, because the mean of its divisors is an integer number (19488).

2¹⁹³⁸¹² is an apocalyptic number.

193812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193812 is an abundant number, since it is smaller than the sum of its proper divisors (273900).

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

193812 is a wasteful number, since it uses less digits than its factorization.

193812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 557 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 193812 is about 440.2408431756. The cubic root of 193812 is about 57.8708979424.

The spelling of 193812 in words is "one hundred ninety-three thousand, eight hundred twelve".