11772530 has 32 divisors (see below), whose sum is σ = 26421120. Its totient is φ = 3669120.

The previous prime is 11772499. The next prime is 11772539. The reversal of 11772530 is 3527711.

11772530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11772530.

It is not an unprimeable number, because it can be changed into a prime (11772539) 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, 6875 + ... + 8414.

It is an arithmetic number, because the mean of its divisors is an integer number (825660).

Almost surely, 2^11772530 is an apocalyptic number.

11772530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11772530 is an abundant number, since it is smaller than the sum of its proper divisors (14648590).

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

11772530 is a wasteful number, since it uses less digits than its factorization.

11772530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15314.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 11772530 is about 3431.1120646228. The cubic root of 11772530 is about 227.4870096837.

The spelling of 11772530 in words is "eleven million, seven hundred seventy-two thousand, five hundred thirty".