12299660 has 12 divisors (see below), whose sum is σ = 25829328. Its totient is φ = 4919856.

The previous prime is 12299647. The next prime is 12299663. The reversal of 12299660 is 6699221.

It is a super-2 number, since 2×12299660² = 302563272231200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12299660.

It is not an unprimeable number, because it can be changed into a prime (12299663) 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, 307472 + ... + 307511.

It is an arithmetic number, because the mean of its divisors is an integer number (2152444).

Almost surely, 2^12299660 is an apocalyptic number.

12299660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12299660 is an abundant number, since it is smaller than the sum of its proper divisors (13529668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12299660 is a wasteful number, since it uses less digits than its factorization.

12299660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614992 (or 614990 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 12299660 is about 3507.0871104094. The cubic root of 12299660 is about 230.8328970206.

The spelling of 12299660 in words is "twelve million, two hundred ninety-nine thousand, six hundred sixty".