13643043 has 8 divisors (see below), whose sum is σ = 18440208. Its totient is φ = 8970624.

The previous prime is 13643041. The next prime is 13643051. The reversal of 13643043 is 34034631.

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

It is not a de Polignac number, because 13643043 - 2¹ = 13643041 is a prime.

It is a super-2 number, since 2×13643043² = 372265244599698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13643041) 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, 30930 + ... + 31367.

It is an arithmetic number, because the mean of its divisors is an integer number (2305026).

Almost surely, 2^13643043 is an apocalyptic number.

13643043 is a deficient number, since it is larger than the sum of its proper divisors (4797165).

13643043 is an equidigital number, since it uses as much as digits as its factorization.

13643043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62373.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 13643043 is about 3693.6490087717. The cubic root of 13643043 is about 238.9481922917.

Adding to 13643043 its reverse (34034631), we get a palindrome (47677674).

The spelling of 13643043 in words is "thirteen million, six hundred forty-three thousand, forty-three".