11890693 has 4 divisors (see below), whose sum is σ = 11902720. Its totient is φ = 11878668.

The previous prime is 11890679. The next prime is 11890717. The reversal of 11890693 is 39609811.

11890693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11890693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4383 + ... + 6556.

It is an arithmetic number, because the mean of its divisors is an integer number (2975680).

Almost surely, 2^11890693 is an apocalyptic number.

It is an amenable number.

11890693 is a deficient number, since it is larger than the sum of its proper divisors (12027).

11890693 is a wasteful number, since it uses less digits than its factorization.

11890693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12026.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11890693 is about 3448.2884160116. The cubic root of 11890693 is about 228.2455866627.

It can be divided in two parts, 11890 and 693, that multiplied together give a triangular number (8239770 = T₄₀₅₉).

The spelling of 11890693 in words is "eleven million, eight hundred ninety thousand, six hundred ninety-three".