11875690 has 16 divisors (see below), whose sum is σ = 22633992. Its totient is φ = 4470784.

The previous prime is 11875679. The next prime is 11875693. The reversal of 11875690 is 9657811.

It can be written as a sum of positive squares in 4 ways, for example, as 10156969 + 1718721 = 3187^2 + 1311^2 .

It is a super-2 number, since 2×11875690² = 282064025952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11875693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34759 + ... + 35098.

Almost surely, 2^11875690 is an apocalyptic number.

11875690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11875690 is a deficient number, since it is larger than the sum of its proper divisors (10758302).

11875690 is a wasteful number, since it uses less digits than its factorization.

11875690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69881.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 11875690 is about 3446.1123022908. The cubic root of 11875690 is about 228.1495504947.

The spelling of 11875690 in words is "eleven million, eight hundred seventy-five thousand, six hundred ninety".