10636387 has 4 divisors (see below), whose sum is σ = 10810816. Its totient is φ = 10461960.

The previous prime is 10636357. The next prime is 10636393. The reversal of 10636387 is 78363601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78363601 = 883 ⋅88747.

It is a cyclic number.

It is not a de Polignac number, because 10636387 - 2⁷ = 10636259 is a prime.

It is a super-2 number, since 2×10636387² = 226265456827538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10636337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87123 + ... + 87244.

It is an arithmetic number, because the mean of its divisors is an integer number (2702704).

Almost surely, 2^10636387 is an apocalyptic number.

10636387 is a deficient number, since it is larger than the sum of its proper divisors (174429).

10636387 is an equidigital number, since it uses as much as digits as its factorization.

10636387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174428.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 10636387 is about 3261.3474209290. The cubic root of 10636387 is about 219.9199915676.

Adding to 10636387 its reverse (78363601), we get a palindrome (88999988).

The spelling of 10636387 in words is "ten million, six hundred thirty-six thousand, three hundred eighty-seven".