13783623 has 24 divisors (see below), whose sum is σ = 21734784. Its totient is φ = 7611120.

The previous prime is 13783597. The next prime is 13783631. The reversal of 13783623 is 32638731.

It is not a de Polignac number, because 13783623 - 2⁶ = 13783559 is a prime.

It is a super-2 number, since 2×13783623² = 379976526012258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13783663) 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 23 ways as a sum of consecutive naturals, for example, 19840 + ... + 20522.

It is an arithmetic number, because the mean of its divisors is an integer number (905616).

Almost surely, 2^13783623 is an apocalyptic number.

13783623 is a deficient number, since it is larger than the sum of its proper divisors (7951161).

13783623 is an equidigital number, since it uses as much as digits as its factorization.

13783623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 724 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 13783623 is about 3712.6301997371. The cubic root of 13783623 is about 239.7661089420.

The spelling of 13783623 in words is "thirteen million, seven hundred eighty-three thousand, six hundred twenty-three".