11868453 has 24 divisors (see below), whose sum is σ = 18228600. Its totient is φ = 7426944.

The previous prime is 11868433. The next prime is 11868463. The reversal of 11868453 is 35486811.

It can be written as a sum of positive squares in 4 ways, for example, as 8054244 + 3814209 = 2838^2 + 1953^2 .

It is not a de Polignac number, because 11868453 - 2⁹ = 11867941 is a prime.

It is a super-2 number, since 2×11868453² = 281720353226418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868433) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9043 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (759525).

Almost surely, 2^11868453 is an apocalyptic number.

It is an amenable number.

11868453 is a deficient number, since it is larger than the sum of its proper divisors (6360147).

11868453 is a wasteful number, since it uses less digits than its factorization.

11868453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1298 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 11868453 is about 3445.0621184530. The cubic root of 11868453 is about 228.1031965901.

It can be divided in two parts, 11868 and 453, that added together give a palindrome (12321).

The spelling of 11868453 in words is "eleven million, eight hundred sixty-eight thousand, four hundred fifty-three".