11890730 has 32 divisors (see below), whose sum is σ = 22083408. Its totient is φ = 4608000.

The previous prime is 11890721. The next prime is 11890733. The reversal of 11890730 is 3709811.

It can be written as a sum of positive squares in 8 ways, for example, as 3463321 + 8427409 = 1861^2 + 2903^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 11890693 and 11890702.

It is not an unprimeable number, because it can be changed into a prime (11890733) 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 in 15 ways as a sum of consecutive naturals, for example, 61514 + ... + 61706.

Almost surely, 2^11890730 is an apocalyptic number.

11890730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11890730 is a deficient number, since it is larger than the sum of its proper divisors (10192678).

11890730 is a wasteful number, since it uses less digits than its factorization.

11890730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 11890730 is about 3448.2937809879. The cubic root of 11890730 is about 228.2458234047.

The spelling of 11890730 in words is "eleven million, eight hundred ninety thousand, seven hundred thirty".