11877992 has 48 divisors (see below), whose sum is σ = 26207460. Its totient is φ = 5031936.

The previous prime is 11877953. The next prime is 11877997. The reversal of 11877992 is 29977811.

It can be written as a sum of positive squares in 2 ways, for example, as 11195716 + 682276 = 3346^2 + 826^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11877997) 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, 61448 + ... + 61640.

Almost surely, 2^11877992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11877992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13103730).

11877992 is an abundant number, since it is smaller than the sum of its proper divisors (14329468).

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

11877992 is a wasteful number, since it uses less digits than its factorization.

11877992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 359 counting only the distinct ones).

The product of its digits is 63504, while the sum is 44.

The square root of 11877992 is about 3446.4462856688. The cubic root of 11877992 is about 228.1642911494.

The spelling of 11877992 in words is "eleven million, eight hundred seventy-seven thousand, nine hundred ninety-two".