13733643 has 16 divisors (see below), whose sum is σ = 22830336. Its totient is φ = 7134240.

The previous prime is 13733633. The next prime is 13733659. The reversal of 13733643 is 34633731.

13733643 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13733643 - 2⁴ = 13733627 is a prime.

It is a super-2 number, since 2×13733643² = 377225900102898, 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 13733643.

It is not an unprimeable number, because it can be changed into a prime (13733633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29496 + ... + 29957.

It is an arithmetic number, because the mean of its divisors is an integer number (1426896).

Almost surely, 2^13733643 is an apocalyptic number.

13733643 is a deficient number, since it is larger than the sum of its proper divisors (9096693).

13733643 is a wasteful number, since it uses less digits than its factorization.

13733643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59474.

The product of its digits is 13608, while the sum is 30.

The square root of 13733643 is about 3705.8930097886. The cubic root of 13733643 is about 239.4759572740.

It can be divided in two parts, 13 and 733643, that multiplied together give a palindrome (9537359).

The spelling of 13733643 in words is "thirteen million, seven hundred thirty-three thousand, six hundred forty-three".