18950012 has 12 divisors (see below), whose sum is σ = 33657960. Its totient is φ = 9333456.

The previous prime is 18950003. The next prime is 18950023. The reversal of 18950012 is 21005981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35087 + ... + 35622.

It is an arithmetic number, because the mean of its divisors is an integer number (2804830).

Almost surely, 2^18950012 is an apocalyptic number.

It is an amenable number.

18950012 is a deficient number, since it is larger than the sum of its proper divisors (14707948).

18950012 is a wasteful number, since it uses less digits than its factorization.

18950012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70780 (or 70778 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 18950012 is about 4353.1611502447. The cubic root of 18950012 is about 266.6059452022.

Adding to 18950012 its reverse (21005981), we get a palindrome (39955993).

The spelling of 18950012 in words is "eighteen million, nine hundred fifty thousand, twelve".