12240988 has 6 divisors (see below), whose sum is σ = 21421736. Its totient is φ = 6120492.

The previous prime is 12240983. The next prime is 12241013. The reversal of 12240988 is 88904221.

12240988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12240988² = 299683574432288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530120 + ... + 1530127.

Almost surely, 2^12240988 is an apocalyptic number.

It is an amenable number.

12240988 is a deficient number, since it is larger than the sum of its proper divisors (9180748).

12240988 is a wasteful number, since it uses less digits than its factorization.

12240988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060251 (or 3060249 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 12240988 is about 3498.7123345597. The cubic root of 12240988 is about 230.4652711404.

The spelling of 12240988 in words is "twelve million, two hundred forty thousand, nine hundred eighty-eight".