11979774 has 24 divisors (see below), whose sum is σ = 26044200. Its totient is φ = 3979728.

The previous prime is 11979763. The next prime is 11979787. The reversal of 11979774 is 47797911.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5329 + ... + 7235.

It is an arithmetic number, because the mean of its divisors is an integer number (1085175).

Almost surely, 2^11979774 is an apocalyptic number.

11979774 is an abundant number, since it is smaller than the sum of its proper divisors (14064426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11979774 is a wasteful number, since it uses less digits than its factorization.

11979774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2261 counting only the distinct ones).

The product of its digits is 111132, while the sum is 45.

The square root of 11979774 is about 3461.1810123136. The cubic root of 11979774 is about 228.8141484519.

The spelling of 11979774 in words is "eleven million, nine hundred seventy-nine thousand, seven hundred seventy-four".