10598981 has 4 divisors (see below), whose sum is σ = 10654092. Its totient is φ = 10543872.

The previous prime is 10598971. The next prime is 10599013. The reversal of 10598981 is 18989501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3118756 + 7480225 = 1766^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 10598981 - 2²² = 6404677 is a prime.

It is a super-2 number, since 2×10598981² = 224676796476722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10598911) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27266 + ... + 27651.

It is an arithmetic number, because the mean of its divisors is an integer number (2663523).

Almost surely, 2^10598981 is an apocalyptic number.

It is an amenable number.

10598981 is a deficient number, since it is larger than the sum of its proper divisors (55111).

10598981 is an equidigital number, since it uses as much as digits as its factorization.

10598981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55110.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 10598981 is about 3255.6076237778. The cubic root of 10598981 is about 219.6618842007.

The spelling of 10598981 in words is "ten million, five hundred ninety-eight thousand, nine hundred eighty-one".