10988772 has 12 divisors (see below), whose sum is σ = 25640496. Its totient is φ = 3662920.

The previous prime is 10988743. The next prime is 10988773. The reversal of 10988772 is 27788901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10988772² = 241506220135968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10988773) 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, 457854 + ... + 457877.

It is an arithmetic number, because the mean of its divisors is an integer number (2136708).

Almost surely, 2^10988772 is an apocalyptic number.

10988772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10988772 is an abundant number, since it is smaller than the sum of its proper divisors (14651724).

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

10988772 is a wasteful number, since it uses less digits than its factorization.

10988772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915738 (or 915736 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 10988772 is about 3314.9316735040. The cubic root of 10988772 is about 222.3223140587.

It can be divided in two parts, 1098 and 8772, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 10988772 in words is "ten million, nine hundred eighty-eight thousand, seven hundred seventy-two".