11660601 has 4 divisors (see below), whose sum is σ = 15547472. Its totient is φ = 7773732.

The previous prime is 11660599. The next prime is 11660603. The reversal of 11660601 is 10606611.

11660601 is nontrivially palindromic in base 5.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11660599) and next prime (11660603).

It is not a de Polignac number, because 11660601 - 2¹ = 11660599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11660603) 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, 1943431 + ... + 1943436.

It is an arithmetic number, because the mean of its divisors is an integer number (3886868).

Almost surely, 2^11660601 is an apocalyptic number.

It is an amenable number.

11660601 is a deficient number, since it is larger than the sum of its proper divisors (3886871).

11660601 is an equidigital number, since it uses as much as digits as its factorization.

11660601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886870.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 11660601 is about 3414.7622171976. The cubic root of 11660601 is about 226.7637576657.

The spelling of 11660601 in words is "eleven million, six hundred sixty thousand, six hundred one".