12003950 has 24 divisors (see below), whose sum is σ = 25517712. Its totient is φ = 4115520.

The previous prime is 12003911. The next prime is 12003961. The reversal of 12003950 is 5930021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16799 + ... + 17498.

It is an arithmetic number, because the mean of its divisors is an integer number (1063238).

Almost surely, 2^12003950 is an apocalyptic number.

12003950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12003950 is an abundant number, since it is smaller than the sum of its proper divisors (13513762).

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

12003950 is a wasteful number, since it uses less digits than its factorization.

12003950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34316 (or 34311 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 12003950 is about 3464.6717016191. The cubic root of 12003950 is about 228.9679658730.

Adding to 12003950 its reverse (5930021), we get a palindrome (17933971).

The spelling of 12003950 in words is "twelve million, three thousand, nine hundred fifty".