11662601 has 4 divisors (see below), whose sum is σ = 11782932. Its totient is φ = 11542272.

The previous prime is 11662583. The next prime is 11662613. The reversal of 11662601 is 10626611.

11662601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 8128201 = 1880^2 + 2851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11662601 is a prime.

It is a super-3 number, since 3×11662601³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11662621) 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, 60020 + ... + 60213.

It is an arithmetic number, because the mean of its divisors is an integer number (2945733).

Almost surely, 2^11662601 is an apocalyptic number.

It is an amenable number.

11662601 is a deficient number, since it is larger than the sum of its proper divisors (120331).

11662601 is an equidigital number, since it uses as much as digits as its factorization.

11662601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120330.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 11662601 is about 3415.0550508008. The cubic root of 11662601 is about 226.7767215941.

The spelling of 11662601 in words is "eleven million, six hundred sixty-two thousand, six hundred one".