10636405 has 8 divisors (see below), whose sum is σ = 13745592. Its totient is φ = 7854528.

The previous prime is 10636399. The next prime is 10636421. The reversal of 10636405 is 50463601.

It can be written as a sum of positive squares in 4 ways, for example, as 485809 + 10150596 = 697^2 + 3186^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10636405 - 2²³ = 2247797 is a prime.

It is a super-2 number, since 2×10636405² = 226266222648050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10636405.

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 7 ways as a sum of consecutive naturals, for example, 81754 + ... + 81883.

It is an arithmetic number, because the mean of its divisors is an integer number (1718199).

Almost surely, 2^10636405 is an apocalyptic number.

It is an amenable number.

10636405 is a deficient number, since it is larger than the sum of its proper divisors (3109187).

10636405 is a wasteful number, since it uses less digits than its factorization.

10636405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163655.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 10636405 is about 3261.3501805234. The cubic root of 10636405 is about 219.9201156247.

The spelling of 10636405 in words is "ten million, six hundred thirty-six thousand, four hundred five".