11402605 has 4 divisors (see below), whose sum is σ = 13683132. Its totient is φ = 9122080.

The previous prime is 11402581. The next prime is 11402627. The reversal of 11402605 is 50620411.

11402605 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1630729 + 9771876 = 1277^2 + 3126^2 .

It is not a de Polignac number, because 11402605 - 2⁷ = 11402477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140256 + ... + 1140265.

It is an arithmetic number, because the mean of its divisors is an integer number (3420783).

Almost surely, 2^11402605 is an apocalyptic number.

It is an amenable number.

11402605 is a deficient number, since it is larger than the sum of its proper divisors (2280527).

11402605 is an equidigital number, since it uses as much as digits as its factorization.

11402605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280526.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11402605 is about 3376.7743483982. The cubic root of 11402605 is about 225.0788530205.

The spelling of 11402605 in words is "eleven million, four hundred two thousand, six hundred five".