18769212 has 192 divisors, whose sum is σ = 63329280. Its totient is φ = 4665600.

The previous prime is 18769183. The next prime is 18769237. The reversal of 18769212 is 21296781.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 307662 + ... + 307722.

It is an arithmetic number, because the mean of its divisors is an integer number (329840).

Almost surely, 2^18769212 is an apocalyptic number.

18769212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18769212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31664640).

18769212 is an abundant number, since it is smaller than the sum of its proper divisors (44560068).

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

18769212 is a wasteful number, since it uses less digits than its factorization.

18769212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 121 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 18769212 is about 4332.3448616194. The cubic root of 18769212 is about 265.7553481954.

It can be divided in two parts, 18769 and 212, that added together give a palindrome (18981).

The spelling of 18769212 in words is "eighteen million, seven hundred sixty-nine thousand, two hundred twelve".