11630420 has 12 divisors (see below), whose sum is σ = 24423924. Its totient is φ = 4652160.

The previous prime is 11630407. The next prime is 11630441. The reversal of 11630420 is 2403611.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 7997584 = 1906^2 + 2828^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290741 + ... + 290780.

It is an arithmetic number, because the mean of its divisors is an integer number (2035327).

Almost surely, 2^11630420 is an apocalyptic number.

11630420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11630420 is an abundant number, since it is smaller than the sum of its proper divisors (12793504).

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

11630420 is a wasteful number, since it uses less digits than its factorization.

11630420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581530 (or 581528 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 11630420 is about 3410.3401589871. The cubic root of 11630420 is about 226.5679452833.

The spelling of 11630420 in words is "eleven million, six hundred thirty thousand, four hundred twenty".