10981047 has 24 divisors (see below), whose sum is σ = 18582912. Its totient is φ = 5703600.

The previous prime is 10981027. The next prime is 10981063. The reversal of 10981047 is 74018901.

It is not a de Polignac number, because 10981047 - 2⁷ = 10980919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10981027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1779 + ... + 5012.

It is an arithmetic number, because the mean of its divisors is an integer number (774288).

Almost surely, 2^10981047 is an apocalyptic number.

10981047 is a deficient number, since it is larger than the sum of its proper divisors (7601865).

10981047 is a wasteful number, since it uses less digits than its factorization.

10981047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819 (or 6812 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 10981047 is about 3313.7662862670. The cubic root of 10981047 is about 222.2702050368.

Adding to 10981047 its reverse (74018901), we get a palindrome (84999948).

It can be divided in two parts, 1098 and 1047, that added together give a triangular number (2145 = T₆₅).

The spelling of 10981047 in words is "ten million, nine hundred eighty-one thousand, forty-seven".