11428465 has 16 divisors (see below), whose sum is σ = 14288400. Its totient is φ = 8764672.

The previous prime is 11428451. The next prime is 11428489. The reversal of 11428465 is 56482411.

11428465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 24336 + 11404129 = 156^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 11428465 - 2⁵ = 11428433 is a prime.

It is a super-3 number, since 3×11428465³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38859 + ... + 39151.

It is an arithmetic number, because the mean of its divisors is an integer number (893025).

Almost surely, 2^11428465 is an apocalyptic number.

It is an amenable number.

11428465 is a deficient number, since it is larger than the sum of its proper divisors (2859935).

11428465 is a wasteful number, since it uses less digits than its factorization.

11428465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its digits is 7680, while the sum is 31.

The square root of 11428465 is about 3380.6012778794. The cubic root of 11428465 is about 225.2488768743.

The spelling of 11428465 in words is "eleven million, four hundred twenty-eight thousand, four hundred sixty-five".