10530639 has 18 divisors (see below), whose sum is σ = 17695080. Its totient is φ = 6017256.

The previous prime is 10530631. The next prime is 10530643. The reversal of 10530639 is 93603501.

It is not a de Polignac number, because 10530639 - 2³ = 10530631 is a prime.

It is a super-2 number, since 2×10530639² = 221788715496642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530631) 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 17 ways as a sum of consecutive naturals, for example, 11499 + ... + 12380.

It is an arithmetic number, because the mean of its divisors is an integer number (983060).

Almost surely, 2^10530639 is an apocalyptic number.

10530639 is a deficient number, since it is larger than the sum of its proper divisors (7164441).

10530639 is a wasteful number, since it uses less digits than its factorization.

10530639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23899 (or 23889 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 10530639 is about 3245.0946057087. The cubic root of 10530639 is about 219.1887407749.

The spelling of 10530639 in words is "ten million, five hundred thirty thousand, six hundred thirty-nine".