11428437 has 16 divisors (see below), whose sum is σ = 16206912. Its totient is φ = 7138560.

The previous prime is 11428433. The next prime is 11428451. The reversal of 11428437 is 73482411.

11428437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11428437 - 2² = 11428433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428433) 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, 16543 + ... + 17219.

It is an arithmetic number, because the mean of its divisors is an integer number (1012932).

Almost surely, 2^11428437 is an apocalyptic number.

11428437 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11428437 is a deficient number, since it is larger than the sum of its proper divisors (4778475).

11428437 is a wasteful number, since it uses less digits than its factorization.

11428437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its digits is 5376, while the sum is 30.

The square root of 11428437 is about 3380.5971366018. The cubic root of 11428437 is about 225.2486929192.

The spelling of 11428437 in words is "eleven million, four hundred twenty-eight thousand, four hundred thirty-seven".