11243690 has 8 divisors (see below), whose sum is σ = 20238660. Its totient is φ = 4497472.

The previous prime is 11243663. The next prime is 11243719. The reversal of 11243690 is 9634211.

It can be written as a sum of positive squares in 2 ways, for example, as 11215801 + 27889 = 3349^2 + 167^2 .

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

It is a super-2 number, since 2×11243690² = 252841129632200, which contains 22 as substring.

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, 562175 + ... + 562194.

Almost surely, 2^11243690 is an apocalyptic number.

11243690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11243690 is a deficient number, since it is larger than the sum of its proper divisors (8994970).

11243690 is a wasteful number, since it uses less digits than its factorization.

11243690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124376.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 11243690 is about 3353.1611950516. The cubic root of 11243690 is about 224.0283366575.

The spelling of 11243690 in words is "eleven million, two hundred forty-three thousand, six hundred ninety".