12661763 has 8 divisors (see below), whose sum is σ = 12927600. Its totient is φ = 12398848.

The previous prime is 12661741. The next prime is 12661769. The reversal of 12661763 is 36716621.

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

It is a cyclic number.

It is not a de Polignac number, because 12661763 - 2⁶ = 12661699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12661769) 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, 9428 + ... + 10686.

It is an arithmetic number, because the mean of its divisors is an integer number (1615950).

Almost surely, 2^12661763 is an apocalyptic number.

12661763 is a deficient number, since it is larger than the sum of its proper divisors (265837).

12661763 is a wasteful number, since it uses less digits than its factorization.

12661763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its digits is 9072, while the sum is 32.

The square root of 12661763 is about 3558.3371116295. The cubic root of 12661763 is about 233.0762704130.

The spelling of 12661763 in words is "twelve million, six hundred sixty-one thousand, seven hundred sixty-three".