11405924 has 6 divisors (see below), whose sum is σ = 19960374. Its totient is φ = 5702960.

The previous prime is 11405899. The next prime is 11405959. The reversal of 11405924 is 42950411.

It can be written as a sum of positive squares in only one way, i.e., 11343424 + 62500 = 3368^2 + 250^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11405893 and 11405902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425737 + ... + 1425744.

It is an arithmetic number, because the mean of its divisors is an integer number (3326729).

Almost surely, 2^11405924 is an apocalyptic number.

It is an amenable number.

11405924 is a deficient number, since it is larger than the sum of its proper divisors (8554450).

11405924 is a wasteful number, since it uses less digits than its factorization.

11405924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851485 (or 2851483 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 11405924 is about 3377.2657579764. The cubic root of 11405924 is about 225.1006890906.

The spelling of 11405924 in words is "eleven million, four hundred five thousand, nine hundred twenty-four".