11413505 has 16 divisors (see below), whose sum is σ = 14034384. Its totient is φ = 8908800.

The previous prime is 11413483. The next prime is 11413531. The reversal of 11413505 is 50531411.

It can be written as a sum of positive squares in 8 ways, for example, as 16129 + 11397376 = 127^2 + 3376^2 .

It is not a de Polignac number, because 11413505 - 2¹⁶ = 11347969 is a prime.

It is a Duffinian number.

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, 48869 + ... + 49101.

It is an arithmetic number, because the mean of its divisors is an integer number (877149).

Almost surely, 2^11413505 is an apocalyptic number.

It is an amenable number.

11413505 is a deficient number, since it is larger than the sum of its proper divisors (2620879).

11413505 is a wasteful number, since it uses less digits than its factorization.

11413505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11413505 is about 3378.3879291757. The cubic root of 11413505 is about 225.1505494494.

Adding to 11413505 its reverse (50531411), we get a palindrome (61944916).

The spelling of 11413505 in words is "eleven million, four hundred thirteen thousand, five hundred five".