10947988 has 6 divisors (see below), whose sum is σ = 19158986. Its totient is φ = 5473992.

The previous prime is 10947961. The next prime is 10947997. The reversal of 10947988 is 88974901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 1633284 = 3052^2 + 1278^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1368495 + ... + 1368502.

Almost surely, 2^10947988 is an apocalyptic number.

It is an amenable number.

10947988 is a deficient number, since it is larger than the sum of its proper divisors (8210998).

10947988 is a wasteful number, since it uses less digits than its factorization.

10947988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737001 (or 2736999 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 10947988 is about 3308.7743954522. The cubic root of 10947988 is about 222.0469289097.

It can be divided in two parts, 10947 and 988, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 10947988 in words is "ten million, nine hundred forty-seven thousand, nine hundred eighty-eight".