13155073 has 4 divisors (see below), whose sum is σ = 13223428. Its totient is φ = 13086720.

The previous prime is 13155071. The next prime is 13155083. The reversal of 13155073 is 37055131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37055131 = 313 ⋅118387.

It can be written as a sum of positive squares in 2 ways, for example, as 7118224 + 6036849 = 2668^2 + 2457^2 .

It is a cyclic number.

It is not a de Polignac number, because 13155073 - 2¹ = 13155071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13155071) 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, 33888 + ... + 34273.

It is an arithmetic number, because the mean of its divisors is an integer number (3305857).

Almost surely, 2^13155073 is an apocalyptic number.

It is an amenable number.

13155073 is a deficient number, since it is larger than the sum of its proper divisors (68355).

13155073 is an equidigital number, since it uses as much as digits as its factorization.

13155073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68354.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 13155073 is about 3626.9922801131. The cubic root of 13155073 is about 236.0647205909.

The spelling of 13155073 in words is "thirteen million, one hundred fifty-five thousand, seventy-three".