11772420 has 48 divisors (see below), whose sum is σ = 35961408. Its totient is φ = 2853760.

The previous prime is 11772407. The next prime is 11772427. The reversal of 11772420 is 2427711.

It is not an unprimeable number, because it can be changed into a prime (11772427) 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, 8259 + ... + 9578.

It is an arithmetic number, because the mean of its divisors is an integer number (749196).

Almost surely, 2^11772420 is an apocalyptic number.

11772420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11772420 is an abundant number, since it is smaller than the sum of its proper divisors (24188988).

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

11772420 is a wasteful number, since it uses less digits than its factorization.

11772420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17860 (or 17858 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 11772420 is about 3431.0960347970. The cubic root of 11772420 is about 227.4863011516.

The spelling of 11772420 in words is "eleven million, seven hundred seventy-two thousand, four hundred twenty".