10639211 has 4 divisors (see below), whose sum is σ = 11606424. Its totient is φ = 9672000.

The previous prime is 10639207. The next prime is 10639217. The reversal of 10639211 is 11293601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10639211 - 2² = 10639207 is a prime.

It is a super-2 number, since 2×10639211² = 226385621405042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10639217) 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 3 ways as a sum of consecutive naturals, for example, 483590 + ... + 483611.

It is an arithmetic number, because the mean of its divisors is an integer number (2901606).

Almost surely, 2^10639211 is an apocalyptic number.

10639211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10639211 is a deficient number, since it is larger than the sum of its proper divisors (967213).

10639211 is an equidigital number, since it uses as much as digits as its factorization.

10639211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967212.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 10639211 is about 3261.7803420831. The cubic root of 10639211 is about 219.9394530352.

The spelling of 10639211 in words is "ten million, six hundred thirty-nine thousand, two hundred eleven".