11420432 has 40 divisors (see below), whose sum is σ = 23183040. Its totient is φ = 5443200.

The previous prime is 11420429. The next prime is 11420441. The reversal of 11420432 is 23402411.

It is a self number, because there is not a number n which added to its sum of digits gives 11420432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69983 + ... + 70145.

It is an arithmetic number, because the mean of its divisors is an integer number (579576).

Almost surely, 2^11420432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11420432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11591520).

11420432 is an abundant number, since it is smaller than the sum of its proper divisors (11762608).

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

11420432 is a wasteful number, since it uses less digits than its factorization.

11420432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11420432 is about 3379.4129667740. The cubic root of 11420432 is about 225.1960891395.

Adding to 11420432 its reverse (23402411), we get a palindrome (34822843).

The spelling of 11420432 in words is "eleven million, four hundred twenty thousand, four hundred thirty-two".