11428137 has 12 divisors (see below), whose sum is σ = 18865600. Its totient is φ = 6530328.

The previous prime is 11428127. The next prime is 11428141. The reversal of 11428137 is 73182411.

It is not a de Polignac number, because 11428137 - 2⁴ = 11428121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11428137.

It is not an unprimeable number, because it can be changed into a prime (11428127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90637 + ... + 90762.

Almost surely, 2^11428137 is an apocalyptic number.

It is an amenable number.

11428137 is a deficient number, since it is larger than the sum of its proper divisors (7437463).

11428137 is a wasteful number, since it uses less digits than its factorization.

11428137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181412 (or 181409 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 11428137 is about 3380.5527654512. The cubic root of 11428137 is about 225.2467219527.

The spelling of 11428137 in words is "eleven million, four hundred twenty-eight thousand, one hundred thirty-seven".