11818402 has 8 divisors (see below), whose sum is σ = 17797356. Its totient is φ = 5885952.

The previous prime is 11818393. The next prime is 11818439. The reversal of 11818402 is 20481811.

It can be written as a sum of positive squares in 2 ways, for example, as 9066121 + 2752281 = 3011^2 + 1659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10983 + ... + 12010.

Almost surely, 2^11818402 is an apocalyptic number.

11818402 is a deficient number, since it is larger than the sum of its proper divisors (5978954).

11818402 is a wasteful number, since it uses less digits than its factorization.

11818402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23252.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 11818402 is about 3437.7902786528. The cubic root of 11818402 is about 227.7820966242.

The spelling of 11818402 in words is "eleven million, eight hundred eighteen thousand, four hundred two".