10681394 has 8 divisors (see below), whose sum is σ = 16044588. Its totient is φ = 5333200.

The previous prime is 10681393. The next prime is 10681399. The reversal of 10681394 is 49318601.

It is a happy number.

10681394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10647169 + 34225 = 3263^2 + 185^2 .

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

It is a super-2 number, since 2×10681394² = 228184355566472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10681394.

It is not an unprimeable number, because it can be changed into a prime (10681393) 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, 1757 + ... + 4944.

Almost surely, 2^10681394 is an apocalyptic number.

10681394 is a deficient number, since it is larger than the sum of its proper divisors (5363194).

10681394 is an equidigital number, since it uses as much as digits as its factorization.

10681394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10681394 is about 3268.2401992510. The cubic root of 10681394 is about 220.2297462182.

Adding to 10681394 its reverse (49318601), we get a palindrome (59999995).

The spelling of 10681394 in words is "ten million, six hundred eighty-one thousand, three hundred ninety-four".