11780076 has 144 divisors (see below), whose sum is σ = 36942080. Its totient is φ = 2851200.

The previous prime is 11780063. The next prime is 11780077. The reversal of 11780076 is 67008711.

It is not an unprimeable number, because it can be changed into a prime (11780077) 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 47 ways as a sum of consecutive naturals, for example, 193086 + ... + 193146.

Almost surely, 2^11780076 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 11780076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18471040).

11780076 is an abundant number, since it is smaller than the sum of its proper divisors (25162004).

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

11780076 is a wasteful number, since it uses less digits than its factorization.

11780076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 11780076 is about 3432.2115319426. The cubic root of 11780076 is about 227.5356044585.

Adding to 11780076 its reverse (67008711), we get a palindrome (78788787).

It can be divided in two parts, 11 and 780076, that added together give a palindrome (780087).

The spelling of 11780076 in words is "eleven million, seven hundred eighty thousand, seventy-six".