11572340 has 48 divisors (see below), whose sum is σ = 26756352. Its totient is φ = 4177536.

The previous prime is 11572339. The next prime is 11572343. The reversal of 11572340 is 4327511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572343) 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, 11747 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (557424).

Almost surely, 2^11572340 is an apocalyptic number.

11572340 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 11572340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13378176).

11572340 is an abundant number, since it is smaller than the sum of its proper divisors (15184012).

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

11572340 is a wasteful number, since it uses less digits than its factorization.

11572340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 11572340 is about 3401.8142218528. The cubic root of 11572340 is about 226.1901706824.

Adding to 11572340 its reverse (4327511), we get a palindrome (15899851).

The spelling of 11572340 in words is "eleven million, five hundred seventy-two thousand, three hundred forty".