11775490 has 8 divisors (see below), whose sum is σ = 21195900. Its totient is φ = 4710192.

The previous prime is 11775473. The next prime is 11775493. The reversal of 11775490 is 9457711.

It can be written as a sum of positive squares in 2 ways, for example, as 10712529 + 1062961 = 3273^2 + 1031^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11775493) 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 3 ways as a sum of consecutive naturals, for example, 588765 + ... + 588784.

Almost surely, 2^11775490 is an apocalyptic number.

11775490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11775490 is a deficient number, since it is larger than the sum of its proper divisors (9420410).

11775490 is a wasteful number, since it uses less digits than its factorization.

11775490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177556.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 11775490 is about 3431.5433845429. The cubic root of 11775490 is about 227.5060739835.

The spelling of 11775490 in words is "eleven million, seven hundred seventy-five thousand, four hundred ninety".