11868653 has 2 divisors, whose sum is σ = 11868654. Its totient is φ = 11868652.

The previous prime is 11868643. The next prime is 11868679. The reversal of 11868653 is 35686811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9597604 + 2271049 = 3098^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 11868653 - 2⁶ = 11868589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11868613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5934326 + 5934327.

It is an arithmetic number, because the mean of its divisors is an integer number (5934327).

Almost surely, 2^11868653 is an apocalyptic number.

It is an amenable number.

11868653 is a deficient number, since it is larger than the sum of its proper divisors (1).

11868653 is an equidigital number, since it uses as much as digits as its factorization.

11868653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 11868653 is about 3445.0911453835. The cubic root of 11868653 is about 228.1044778687.

It can be divided in two parts, 11868 and 653, that added together give a palindrome (12521).

The spelling of 11868653 in words is "eleven million, eight hundred sixty-eight thousand, six hundred fifty-three".