10998813 has 16 divisors (see below), whose sum is σ = 17746560. Its totient is φ = 5915136.

The previous prime is 10998811. The next prime is 10998833. The reversal of 10998813 is 31889901.

It is a happy number.

10998813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10998813 - 2¹ = 10998811 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10998811) 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 15 ways as a sum of consecutive naturals, for example, 15048 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (1109160).

Almost surely, 2^10998813 is an apocalyptic number.

It is an amenable number.

10998813 is a deficient number, since it is larger than the sum of its proper divisors (6747747).

10998813 is a wasteful number, since it uses less digits than its factorization.

10998813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30836.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 10998813 is about 3316.4458385446. The cubic root of 10998813 is about 222.3900091802.

It can be divided in two parts, 10998 and 813, that added together give a palindrome (11811).

The spelling of 10998813 in words is "ten million, nine hundred ninety-eight thousand, eight hundred thirteen".