11701530 has 64 divisors (see below), whose sum is σ = 32860800. Its totient is φ = 2954880.

The previous prime is 11701519. The next prime is 11701531. The reversal of 11701530 is 3510711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11701531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3990 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (513450).

Almost surely, 2^11701530 is an apocalyptic number.

11701530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11701530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16430400).

11701530 is an abundant number, since it is smaller than the sum of its proper divisors (21159270).

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

11701530 is a wasteful number, since it uses less digits than its factorization.

11701530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 11701530 is about 3420.7499177812. The cubic root of 11701530 is about 227.0287633279.

The spelling of 11701530 in words is "eleven million, seven hundred one thousand, five hundred thirty".