11787412 has 72 divisors (see below), whose sum is σ = 26562816. Its totient is φ = 4477824.

The previous prime is 11787389. The next prime is 11787421. The reversal of 11787412 is 21478711.

It is a super-3 number, since 3×11787412³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 222378 + ... + 222430.

It is an arithmetic number, because the mean of its divisors is an integer number (368928).

Almost surely, 2^11787412 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 11787412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13281408).

11787412 is an abundant number, since it is smaller than the sum of its proper divisors (14775404).

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

11787412 is a wasteful number, since it uses less digits than its factorization.

11787412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 122 counting only the distinct ones).

The product of its digits is 3136, while the sum is 31.

The square root of 11787412 is about 3433.2800643117. The cubic root of 11787412 is about 227.5828269840.

It can be divided in two parts, 117 and 87412, that multiplied together give a square (10227204 = 3198²).

The spelling of 11787412 in words is "eleven million, seven hundred eighty-seven thousand, four hundred twelve".