11134780 has 48 divisors (see below), whose sum is σ = 24667776. Its totient is φ = 4216320.

The previous prime is 11134777. The next prime is 11134787. The reversal of 11134780 is 8743111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11134787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30157 + ... + 30523.

It is an arithmetic number, because the mean of its divisors is an integer number (513912).

Almost surely, 2^11134780 is an apocalyptic number.

11134780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11134780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12333888).

11134780 is an abundant number, since it is smaller than the sum of its proper divisors (13532996).

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

11134780 is a wasteful number, since it uses less digits than its factorization.

11134780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11134780 is about 3336.8817779478. The cubic root of 11134780 is about 223.3026516600.

Adding to 11134780 its reverse (8743111), we get a palindrome (19877891).

The spelling of 11134780 in words is "eleven million, one hundred thirty-four thousand, seven hundred eighty".