11837428 has 12 divisors (see below), whose sum is σ = 20899620. Its totient is φ = 5866112.

The previous prime is 11837407. The next prime is 11837429. The reversal of 11837428 is 82473811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4153444 + 7683984 = 2038^2 + 2772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11837393 and 11837402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11837429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12643 + ... + 13546.

It is an arithmetic number, because the mean of its divisors is an integer number (1741635).

Almost surely, 2^11837428 is an apocalyptic number.

It is an amenable number.

11837428 is a deficient number, since it is larger than the sum of its proper divisors (9062192).

11837428 is a wasteful number, since it uses less digits than its factorization.

11837428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26306 (or 26304 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 11837428 is about 3440.5563503596. The cubic root of 11837428 is about 227.9042636947.

The spelling of 11837428 in words is "eleven million, eight hundred thirty-seven thousand, four hundred twenty-eight".