11529890 has 8 divisors (see below), whose sum is σ = 20753820. Its totient is φ = 4611952.

The previous prime is 11529863. The next prime is 11529901. The reversal of 11529890 is 9892511.

It can be written as a sum of positive squares in 2 ways, for example, as 11282881 + 247009 = 3359^2 + 497^2 .

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

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 11529890.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576485 + ... + 576504.

Almost surely, 2^11529890 is an apocalyptic number.

11529890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11529890 is a deficient number, since it is larger than the sum of its proper divisors (9223930).

11529890 is a wasteful number, since it uses less digits than its factorization.

11529890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152996.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 11529890 is about 3395.5691717295. The cubic root of 11529890 is about 225.9132593222.

The spelling of 11529890 in words is "eleven million, five hundred twenty-nine thousand, eight hundred ninety".