11690919 has 16 divisors (see below), whose sum is σ = 17418240. Its totient is φ = 7749720.

The previous prime is 11690893. The next prime is 11690933. The reversal of 11690919 is 91909611.

It is a de Polignac number, because none of the positive numbers 2^k-11690919 is a prime.

It is a super-2 number, since 2×11690919² = 273355174129122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11690989) 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 15 ways as a sum of consecutive naturals, for example, 4024 + ... + 6290.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 2^11690919 is an apocalyptic number.

11690919 is a deficient number, since it is larger than the sum of its proper divisors (5727321).

11690919 is a wasteful number, since it uses less digits than its factorization.

11690919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 2461 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The square root of 11690919 is about 3419.1985903132. The cubic root of 11690919 is about 226.9601190070.

The spelling of 11690919 in words is "eleven million, six hundred ninety thousand, nine hundred nineteen".