11668402 has 4 divisors (see below), whose sum is σ = 17502606. Its totient is φ = 5834200.

The previous prime is 11668399. The next prime is 11668403. The reversal of 11668402 is 20486611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 4756761 = 2629^2 + 2181^2 .

It is not an unprimeable number, because it can be changed into a prime (11668403) 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 as a sum of consecutive naturals, namely, 2917099 + ... + 2917102.

Almost surely, 2^11668402 is an apocalyptic number.

11668402 is a deficient number, since it is larger than the sum of its proper divisors (5834204).

11668402 is an equidigital number, since it uses as much as digits as its factorization.

11668402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834203.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 11668402 is about 3415.9042726634. The cubic root of 11668402 is about 226.8143150865.

The spelling of 11668402 in words is "eleven million, six hundred sixty-eight thousand, four hundred two".