11409601 has 12 divisors (see below), whose sum is σ = 14054148. Its totient is φ = 9203712.

The previous prime is 11409599. The next prime is 11409611. The reversal of 11409601 is 10690411.

11409601 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 2 ways, for example, as 3841600 + 7568001 = 1960^2 + 2751^2 .

It is not a de Polignac number, because 11409601 - 2¹ = 11409599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11409611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6016 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (1171179).

Almost surely, 2^11409601 is an apocalyptic number.

It is an amenable number.

11409601 is a deficient number, since it is larger than the sum of its proper divisors (2644547).

11409601 is a wasteful number, since it uses less digits than its factorization.

11409601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13728 (or 13721 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11409601 is about 3377.8100893922. The cubic root of 11409601 is about 225.1248755369.

The spelling of 11409601 in words is "eleven million, four hundred nine thousand, six hundred one".