12621763 has 12 divisors (see below), whose sum is σ = 16017912. Its totient is φ = 9834720.

The previous prime is 12621731. The next prime is 12621767. The reversal of 12621763 is 36712621.

It is not a de Polignac number, because 12621763 - 2⁵ = 12621731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12621767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11170 + ... + 12247.

It is an arithmetic number, because the mean of its divisors is an integer number (1334826).

Almost surely, 2^12621763 is an apocalyptic number.

12621763 is a deficient number, since it is larger than the sum of its proper divisors (3396149).

12621763 is a wasteful number, since it uses less digits than its factorization.

12621763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23442 (or 23435 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 12621763 is about 3552.7120626361. The cubic root of 12621763 is about 232.8305730426.

It can be divided in two parts, 1262 and 1763, that added together give a square (3025 = 55²).

The spelling of 12621763 in words is "twelve million, six hundred twenty-one thousand, seven hundred sixty-three".