10513018 has 4 divisors (see below), whose sum is σ = 15769530. Its totient is φ = 5256508.

The previous prime is 10512991. The next prime is 10513039. The reversal of 10513018 is 81031501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81031501 = 2731 ⋅29671.

It can be written as a sum of positive squares in only one way, i.e., 7767369 + 2745649 = 2787^2 + 1657^2 .

It is a super-2 number, since 2×10513018² = 221047094936648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10512986 and 10513004.

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 as a sum of consecutive naturals, namely, 2628253 + ... + 2628256.

Almost surely, 2^10513018 is an apocalyptic number.

10513018 is a deficient number, since it is larger than the sum of its proper divisors (5256512).

10513018 is an equidigital number, since it uses as much as digits as its factorization.

10513018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256511.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 10513018 is about 3242.3784479915. The cubic root of 10513018 is about 219.0664157798.

Adding to 10513018 its reverse (81031501), we get a palindrome (91544519).

The spelling of 10513018 in words is "ten million, five hundred thirteen thousand, eighteen".