11428455 has 8 divisors (see below), whose sum is σ = 18285552. Its totient is φ = 6095168.

The previous prime is 11428451. The next prime is 11428489. The reversal of 11428455 is 55482411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11428455 - 2² = 11428451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428451) 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 7 ways as a sum of consecutive naturals, for example, 380934 + ... + 380963.

It is an arithmetic number, because the mean of its divisors is an integer number (2285694).

Almost surely, 2^11428455 is an apocalyptic number.

11428455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11428455 is a deficient number, since it is larger than the sum of its proper divisors (6857097).

11428455 is an equidigital number, since it uses as much as digits as its factorization.

11428455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761905.

The product of its digits is 6400, while the sum is 30.

The square root of 11428455 is about 3380.5997988523. The cubic root of 11428455 is about 225.2488111761.

The spelling of 11428455 in words is "eleven million, four hundred twenty-eight thousand, four hundred fifty-five".