11955428 has 12 divisors (see below), whose sum is σ = 20947500. Its totient is φ = 5970432.

The previous prime is 11955421. The next prime is 11955439. The reversal of 11955428 is 82455911.

It can be written as a sum of positive squares in 2 ways, for example, as 1982464 + 9972964 = 1408^2 + 3158^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11955421) by changing a digit.

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, 3800 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (1745625).

Almost surely, 2^11955428 is an apocalyptic number.

It is an amenable number.

11955428 is a deficient number, since it is larger than the sum of its proper divisors (8992072).

11955428 is a wasteful number, since it uses less digits than its factorization.

11955428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3644 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 11955428 is about 3457.6622160066. The cubic root of 11955428 is about 228.6590401493.

The spelling of 11955428 in words is "eleven million, nine hundred fifty-five thousand, four hundred twenty-eight".