11907988 has 12 divisors (see below), whose sum is σ = 20865600. Its totient is φ = 5946392.

The previous prime is 11907983. The next prime is 11907989. The reversal of 11907988 is 88970911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11907983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3063 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 2^11907988 is an apocalyptic number.

It is an amenable number.

11907988 is a deficient number, since it is larger than the sum of its proper divisors (8957612).

11907988 is a wasteful number, since it uses less digits than its factorization.

11907988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806 (or 3804 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 43.

The square root of 11907988 is about 3450.7952706586. The cubic root of 11907988 is about 228.3561940396.

The spelling of 11907988 in words is "eleven million, nine hundred seven thousand, nine hundred eighty-eight".