11990774 has 16 divisors (see below), whose sum is σ = 18842112. Its totient is φ = 5712168.

The previous prime is 11990749. The next prime is 11990777. The reversal of 11990774 is 47709911.

It is a super-2 number, since 2×11990774² = 287557322238152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21017 + ... + 21579.

It is an arithmetic number, because the mean of its divisors is an integer number (1177632).

Almost surely, 2^11990774 is an apocalyptic number.

11990774 is a deficient number, since it is larger than the sum of its proper divisors (6851338).

11990774 is a wasteful number, since it uses less digits than its factorization.

11990774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 11990774 is about 3462.7697006876. The cubic root of 11990774 is about 228.8841605032.

The spelling of 11990774 in words is "eleven million, nine hundred ninety thousand, seven hundred seventy-four".