11530442 has 16 divisors (see below), whose sum is σ = 21563712. Its totient is φ = 4492320.

The previous prime is 11530433. The next prime is 11530447. The reversal of 11530442 is 24403511.

It is not an unprimeable number, because it can be changed into a prime (11530447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37283 + ... + 37590.

It is an arithmetic number, because the mean of its divisors is an integer number (1347732).

Almost surely, 2^11530442 is an apocalyptic number.

11530442 is a deficient number, since it is larger than the sum of its proper divisors (10033270).

11530442 is a wasteful number, since it uses less digits than its factorization.

11530442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74893.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 11530442 is about 3395.6504531533. The cubic root of 11530442 is about 225.9168645063.

Adding to 11530442 its reverse (24403511), we get a palindrome (35933953).

The spelling of 11530442 in words is "eleven million, five hundred thirty thousand, four hundred forty-two".