11428655 has 32 divisors (see below), whose sum is σ = 16391808. Its totient is φ = 7488000.

The previous prime is 11428649. The next prime is 11428667. The reversal of 11428655 is 55682411.

It is not a de Polignac number, because 11428655 - 2⁶ = 11428591 is a prime.

It is a super-2 number, since 2×11428655² = 261228310218050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113105 + ... + 113205.

It is an arithmetic number, because the mean of its divisors is an integer number (512244).

Almost surely, 2^11428655 is an apocalyptic number.

11428655 is a deficient number, since it is larger than the sum of its proper divisors (4963153).

11428655 is a wasteful number, since it uses less digits than its factorization.

11428655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its digits is 9600, while the sum is 32.

The square root of 11428655 is about 3380.6293792724. The cubic root of 11428655 is about 225.2501251332.

The spelling of 11428655 in words is "eleven million, four hundred twenty-eight thousand, six hundred fifty-five".