11728430 has 32 divisors (see below), whose sum is σ = 24330240. Its totient is φ = 3987360.

The previous prime is 11728411. The next prime is 11728439. The reversal of 11728430 is 3482711.

It is a self number, because there is not a number n which added to its sum of digits gives 11728430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728439) 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, 8531 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (760320).

Almost surely, 2^11728430 is an apocalyptic number.

11728430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11728430 is an abundant number, since it is smaller than the sum of its proper divisors (12601810).

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

11728430 is a wasteful number, since it uses less digits than its factorization.

11728430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 11728430 is about 3424.6795470525. The cubic root of 11728430 is about 227.2025981444.

The spelling of 11728430 in words is "eleven million, seven hundred twenty-eight thousand, four hundred thirty".