12018948 has 24 divisors (see below), whose sum is σ = 28949760. Its totient is φ = 3876960.

The previous prime is 12018931. The next prime is 12018953. The reversal of 12018948 is 84981021.

It is a super-2 number, since 2×12018948² = 288910222053408, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15783 + ... + 16526.

It is an arithmetic number, because the mean of its divisors is an integer number (1206240).

Almost surely, 2^12018948 is an apocalyptic number.

It is an amenable number.

12018948 is an abundant number, since it is smaller than the sum of its proper divisors (16930812).

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

12018948 is a wasteful number, since it uses less digits than its factorization.

12018948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32347 (or 32345 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 12018948 is about 3466.8354446094. The cubic root of 12018948 is about 229.0632853955.

Adding to 12018948 its reverse (84981021), we get a palindrome (96999969).

The spelling of 12018948 in words is "twelve million, eighteen thousand, nine hundred forty-eight".