13030057 has 4 divisors (see below), whose sum is σ = 13110160. Its totient is φ = 12949956.

The previous prime is 13030051. The next prime is 13030079. The reversal of 13030057 is 75003031.

13030057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 13030057 - 2¹¹ = 13028009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13030051) 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, 39807 + ... + 40132.

It is an arithmetic number, because the mean of its divisors is an integer number (3277540).

Almost surely, 2^13030057 is an apocalyptic number.

It is an amenable number.

13030057 is a deficient number, since it is larger than the sum of its proper divisors (80103).

13030057 is an equidigital number, since it uses as much as digits as its factorization.

13030057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80102.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 13030057 is about 3609.7170249204. The cubic root of 13030057 is about 235.3145448454.

Adding to 13030057 its reverse (75003031), we get a palindrome (88033088).

It can be divided in two parts, 130 and 30057, that multiplied together give a triangular number (3907410 = T₂₇₉₅).

The spelling of 13030057 in words is "thirteen million, thirty thousand, fifty-seven".