18962012 has 12 divisors (see below), whose sum is σ = 33223176. Its totient is φ = 9469680.

The previous prime is 18961993. The next prime is 18962017. The reversal of 18962012 is 21026981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18962017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1763 + ... + 6405.

It is an arithmetic number, because the mean of its divisors is an integer number (2768598).

Almost surely, 2^18962012 is an apocalyptic number.

It is an amenable number.

18962012 is a deficient number, since it is larger than the sum of its proper divisors (14261164).

18962012 is a wasteful number, since it uses less digits than its factorization.

18962012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668 (or 5666 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 18962012 is about 4354.5392408382. The cubic root of 18962012 is about 266.6622089533.

Adding to 18962012 its reverse (21026981), we get a palindrome (39988993).

Subtracting 18962012 from its reverse (21026981), we obtain a square (2064969 = 1437²).

The spelling of 18962012 in words is "eighteen million, nine hundred sixty-two thousand, twelve".