11400465 has 16 divisors (see below), whose sum is σ = 18462528. Its totient is φ = 6006336.

The previous prime is 11400463. The next prime is 11400469. The reversal of 11400465 is 56400411.

It is not a de Polignac number, because 11400465 - 2¹ = 11400463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11400463) 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 15 ways as a sum of consecutive naturals, for example, 3334 + ... + 5823.

It is an arithmetic number, because the mean of its divisors is an integer number (1153908).

Almost surely, 2^11400465 is an apocalyptic number.

11400465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11400465 is a deficient number, since it is larger than the sum of its proper divisors (7062063).

11400465 is an equidigital number, since it uses as much as digits as its factorization.

11400465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9248.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 11400465 is about 3376.4574630817. The cubic root of 11400465 is about 225.0647714757.

Adding to 11400465 its reverse (56400411), we get a palindrome (67800876).

The spelling of 11400465 in words is "eleven million, four hundred thousand, four hundred sixty-five".