13620763 has 4 divisors (see below), whose sum is σ = 14668528. Its totient is φ = 12573000.

The previous prime is 13620727. The next prime is 13620781. The reversal of 13620763 is 36702631.

13620763 is digitally balanced in base 3, 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 is a cyclic number.

It is not a de Polignac number, because 13620763 - 2¹⁷ = 13489691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13620703) 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, 523863 + ... + 523888.

It is an arithmetic number, because the mean of its divisors is an integer number (3667132).

Almost surely, 2^13620763 is an apocalyptic number.

13620763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13620763 is a deficient number, since it is larger than the sum of its proper divisors (1047765).

13620763 is a wasteful number, since it uses less digits than its factorization.

13620763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047764.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 13620763 is about 3690.6317887321. The cubic root of 13620763 is about 238.8180486383.

The spelling of 13620763 in words is "thirteen million, six hundred twenty thousand, seven hundred sixty-three".