11530974 has 64 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 3034080.

The previous prime is 11530957. The next prime is 11530991. The reversal of 11530974 is 47903511.

It is an interprime number because it is at equal distance from previous prime (11530957) and next prime (11530991).

It is a super-2 number, since 2×11530974² = 265926722777352, which contains 22 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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26539 + ... + 26969.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^11530974 is an apocalyptic number.

11530974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11530974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515200).

11530974 is an abundant number, since it is smaller than the sum of its proper divisors (17499426).

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

11530974 is a wasteful number, since it uses less digits than its factorization.

11530974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 11530974 is about 3395.7287877568. The cubic root of 11530974 is about 225.9203389589.

The spelling of 11530974 in words is "eleven million, five hundred thirty thousand, nine hundred seventy-four".