11980436 has 12 divisors (see below), whose sum is σ = 22578612. Its totient is φ = 5529408.

The previous prime is 11980433. The next prime is 11980457. The reversal of 11980436 is 63408911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1547536 + 10432900 = 1244^2 + 3230^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980433) 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, 115145 + ... + 115248.

It is an arithmetic number, because the mean of its divisors is an integer number (1881551).

Almost surely, 2^11980436 is an apocalyptic number.

It is an amenable number.

11980436 is a deficient number, since it is larger than the sum of its proper divisors (10598176).

11980436 is a wasteful number, since it uses less digits than its factorization.

11980436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230410 (or 230408 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 11980436 is about 3461.2766430899. The cubic root of 11980436 is about 228.8183631161.

The spelling of 11980436 in words is "eleven million, nine hundred eighty thousand, four hundred thirty-six".