12652661 has 8 divisors (see below), whose sum is σ = 14504640. Its totient is φ = 10811808.

The previous prime is 12652649. The next prime is 12652663. The reversal of 12652661 is 16625621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12652661 - 2⁶ = 12652597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (1813080).

Almost surely, 2^12652661 is an apocalyptic number.

It is an amenable number.

12652661 is a deficient number, since it is larger than the sum of its proper divisors (1851979).

12652661 is an equidigital number, since it uses as much as digits as its factorization.

12652661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563.

The product of its digits is 4320, while the sum is 29.

The square root of 12652661 is about 3557.0579135010. The cubic root of 12652661 is about 233.0204075036.

The spelling of 12652661 in words is "twelve million, six hundred fifty-two thousand, six hundred sixty-one".