11605402 has 4 divisors (see below), whose sum is σ = 17408106. Its totient is φ = 5802700.

The previous prime is 11605397. The next prime is 11605403. The reversal of 11605402 is 20450611.

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., 7241481 + 4363921 = 2691^2 + 2089^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11605402.

It is not an unprimeable number, because it can be changed into a prime (11605403) 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, 2901349 + ... + 2901352.

Almost surely, 2^11605402 is an apocalyptic number.

11605402 is a deficient number, since it is larger than the sum of its proper divisors (5802704).

11605402 is an equidigital number, since it uses as much as digits as its factorization.

11605402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802703.

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

The square root of 11605402 is about 3406.6702217855. The cubic root of 11605402 is about 226.4053731655.

The spelling of 11605402 in words is "eleven million, six hundred five thousand, four hundred two".