11977326 has 24 divisors (see below), whose sum is σ = 26016120. Its totient is φ = 3982416.

The previous prime is 11977321. The next prime is 11977337. The reversal of 11977326 is 62377911.

It is a happy number.

It is a super-2 number, since 2×11977326² = 286912676220552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977321) 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 11 ways as a sum of consecutive naturals, for example, 11245 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (1084005).

Almost surely, 2^11977326 is an apocalyptic number.

11977326 is an abundant number, since it is smaller than the sum of its proper divisors (14038794).

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

11977326 is a wasteful number, since it uses less digits than its factorization.

11977326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1677 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 11977326 is about 3460.8273577282. The cubic root of 11977326 is about 228.7985617584.

The spelling of 11977326 in words is "eleven million, nine hundred seventy-seven thousand, three hundred twenty-six".