11606401 has 4 divisors (see below), whose sum is σ = 11736900. Its totient is φ = 11475904.

The previous prime is 11606389. The next prime is 11606423. The reversal of 11606401 is 10460611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10460611 = 7 ⋅1494373.

It can be written as a sum of positive squares in 2 ways, for example, as 5180176 + 6426225 = 2276^2 + 2535^2 .

It is a cyclic number.

It is not a de Polignac number, because 11606401 - 2²¹ = 9509249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11606501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65116 + ... + 65293.

It is an arithmetic number, because the mean of its divisors is an integer number (2934225).

Almost surely, 2^11606401 is an apocalyptic number.

It is an amenable number.

11606401 is a deficient number, since it is larger than the sum of its proper divisors (130499).

11606401 is an equidigital number, since it uses as much as digits as its factorization.

11606401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130498.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11606401 is about 3406.8168427434. The cubic root of 11606401 is about 226.4118693495.

The spelling of 11606401 in words is "eleven million, six hundred six thousand, four hundred one".