13642073 has 4 divisors (see below), whose sum is σ = 13694208. Its totient is φ = 13589940.

The previous prime is 13642067. The next prime is 13642087. The reversal of 13642073 is 37024631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13642073 is a prime.

It is a super-2 number, since 2×13642073² = 372212311474658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13642003) 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, 25673 + ... + 26198.

It is an arithmetic number, because the mean of its divisors is an integer number (3423552).

Almost surely, 2^13642073 is an apocalyptic number.

It is an amenable number.

13642073 is a deficient number, since it is larger than the sum of its proper divisors (52135).

13642073 is an equidigital number, since it uses as much as digits as its factorization.

13642073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52134.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 13642073 is about 3693.5176999711. The cubic root of 13642073 is about 238.9425292042.

The spelling of 13642073 in words is "thirteen million, six hundred forty-two thousand, seventy-three".