11680730 has 16 divisors (see below), whose sum is σ = 21314664. Its totient is φ = 4608000.

The previous prime is 11680727. The next prime is 11680733. The reversal of 11680730 is 3708611.

11680730 = T₁₂₄ + T₁₂₅ + ... + T₄₁₅.

It is an interprime number because it is at equal distance from previous prime (11680727) and next prime (11680733).

It can be written as a sum of positive squares in 4 ways, for example, as 11042329 + 638401 = 3323^2 + 799^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11680730.

It is not an unprimeable number, because it can be changed into a prime (11680733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7271 + ... + 8730.

Almost surely, 2^11680730 is an apocalyptic number.

11680730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11680730 is a deficient number, since it is larger than the sum of its proper divisors (9633934).

11680730 is a wasteful number, since it uses less digits than its factorization.

11680730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16081.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 11680730 is about 3417.7082965051. The cubic root of 11680730 is about 226.8941655725.

It can be divided in two parts, 11680 and 730, that multiplied together give a square (8526400 = 2920²).

The spelling of 11680730 in words is "eleven million, six hundred eighty thousand, seven hundred thirty".