10645387 has 4 divisors (see below), whose sum is σ = 10684096. Its totient is φ = 10606680.

The previous prime is 10645373. The next prime is 10645399. The reversal of 10645387 is 78354601.

10645387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78354601 = 13 ⋅6027277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10645387 is a prime.

It is a super-2 number, since 2×10645387² = 226648528759538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10645337) 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, 18939 + ... + 19492.

It is an arithmetic number, because the mean of its divisors is an integer number (2671024).

Almost surely, 2^10645387 is an apocalyptic number.

10645387 is a deficient number, since it is larger than the sum of its proper divisors (38709).

10645387 is an equidigital number, since it uses as much as digits as its factorization.

10645387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38708.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 10645387 is about 3262.7269269738. The cubic root of 10645387 is about 219.9820026600.

Adding to 10645387 its reverse (78354601), we get a palindrome (88999988).

The spelling of 10645387 in words is "ten million, six hundred forty-five thousand, three hundred eighty-seven".