10513998 has 24 divisors (see below), whose sum is σ = 24851736. Its totient is φ = 3186000.

The previous prime is 10513969. The next prime is 10514003. The reversal of 10513998 is 89931501.

It is a happy number.

It is a super-2 number, since 2×10513998² = 221088307888008, which contains 22 as substring.

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 in 11 ways as a sum of consecutive naturals, for example, 26353 + ... + 26748.

It is an arithmetic number, because the mean of its divisors is an integer number (1035489).

Almost surely, 2^10513998 is an apocalyptic number.

10513998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10513998 is an abundant number, since it is smaller than the sum of its proper divisors (14337738).

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

10513998 is a wasteful number, since it uses less digits than its factorization.

10513998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53120 (or 53117 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 10513998 is about 3242.5295680996. The cubic root of 10513998 is about 219.0732225286.

It can be divided in two parts, 10513 and 998, that added together give a palindrome (11511).

The spelling of 10513998 in words is "ten million, five hundred thirteen thousand, nine hundred ninety-eight".