11428417 has 32 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 8184960.

The previous prime is 11428409. The next prime is 11428421. The reversal of 11428417 is 71482411.

It is not a de Polignac number, because 11428417 - 2³ = 11428409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11428427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48933 + ... + 49165.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^11428417 is an apocalyptic number.

It is an amenable number.

11428417 is a deficient number, since it is larger than the sum of its proper divisors (4296383).

11428417 is a wasteful number, since it uses less digits than its factorization.

11428417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 264 counting only the distinct ones).

The product of its digits is 1792, while the sum is 28.

The square root of 11428417 is about 3380.5941785432. The cubic root of 11428417 is about 225.2485615225.

It can be divided in two parts, 1142 and 8417, that added together give a palindrome (9559).

The spelling of 11428417 in words is "eleven million, four hundred twenty-eight thousand, four hundred seventeen".