11802988 has 12 divisors (see below), whose sum is σ = 20963992. Its totient is φ = 5813280.

The previous prime is 11802977. The next prime is 11802991. The reversal of 11802988 is 88920811.

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 3 ways as a sum of consecutive naturals, for example, 21753 + ... + 22288.

Almost surely, 2^11802988 is an apocalyptic number.

It is an amenable number.

11802988 is a deficient number, since it is larger than the sum of its proper divisors (9161004).

11802988 is a wasteful number, since it uses less digits than its factorization.

11802988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44112 (or 44110 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 11802988 is about 3435.5477001491. The cubic root of 11802988 is about 227.6830262437.

It can be divided in two parts, 1180 and 2988, that multiplied together give a triangular number (3525840 = T₂₆₅₅).

The spelling of 11802988 in words is "eleven million, eight hundred two thousand, nine hundred eighty-eight".