11405953 has 16 divisors (see below), whose sum is σ = 13176576. Its totient is φ = 9789120.

The previous prime is 11405899. The next prime is 11405959. The reversal of 11405953 is 35950411.

It is a cyclic number.

It is not a de Polignac number, because 11405953 - 2²¹ = 9308801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11405959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10548 + ... + 11578.

It is an arithmetic number, because the mean of its divisors is an integer number (823536).

Almost surely, 2^11405953 is an apocalyptic number.

11405953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11405953 is a deficient number, since it is larger than the sum of its proper divisors (1770623).

11405953 is a wasteful number, since it uses less digits than its factorization.

11405953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 11405953 is about 3377.2700513877. The cubic root of 11405953 is about 225.1008798661.

The spelling of 11405953 in words is "eleven million, four hundred five thousand, nine hundred fifty-three".