11138602 has 4 divisors (see below), whose sum is σ = 16707906. Its totient is φ = 5569300.

The previous prime is 11138599. The next prime is 11138623. The reversal of 11138602 is 20683111.

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., 11029041 + 109561 = 3321^2 + 331^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2784649 + ... + 2784652.

Almost surely, 2^11138602 is an apocalyptic number.

11138602 is a deficient number, since it is larger than the sum of its proper divisors (5569304).

11138602 is an equidigital number, since it uses as much as digits as its factorization.

11138602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569303.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 11138602 is about 3337.4544191644. The cubic root of 11138602 is about 223.3281981939.

It can be divided in two parts, 11138 and 602, that multiplied together give a palindrome (6705076).

The spelling of 11138602 in words is "eleven million, one hundred thirty-eight thousand, six hundred two".