11545830 has 24 divisors (see below), whose sum is σ = 30019392. Its totient is φ = 3078864.

The previous prime is 11545829. The next prime is 11545837. The reversal of 11545830 is 3854511.

It is a junction number, because it is equal to n+sod(n) for n = 11545794 and 11545803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545837) 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 11 ways as a sum of consecutive naturals, for example, 64054 + ... + 64233.

It is an arithmetic number, because the mean of its divisors is an integer number (1250808).

Almost surely, 2^11545830 is an apocalyptic number.

11545830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11545830 is an abundant number, since it is smaller than the sum of its proper divisors (18473562).

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

11545830 is a wasteful number, since it uses less digits than its factorization.

11545830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128300 (or 128297 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 11545830 is about 3397.9155375024. The cubic root of 11545830 is about 226.0173192669.

The spelling of 11545830 in words is "eleven million, five hundred forty-five thousand, eight hundred thirty".