13020501 has 16 divisors (see below), whose sum is σ = 18760896. Its totient is φ = 7984896.

The previous prime is 13020467. The next prime is 13020503. The reversal of 13020501 is 10502031.

It is not a de Polignac number, because 13020501 - 2⁷ = 13020373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21661 + ... + 22253.

It is an arithmetic number, because the mean of its divisors is an integer number (1172556).

Almost surely, 2^13020501 is an apocalyptic number.

It is an amenable number.

13020501 is a deficient number, since it is larger than the sum of its proper divisors (5740395).

13020501 is a wasteful number, since it uses less digits than its factorization.

13020501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 13020501 is about 3608.3931326839. The cubic root of 13020501 is about 235.2570056823.

Adding to 13020501 its reverse (10502031), we get a palindrome (23522532).

The spelling of 13020501 in words is "thirteen million, twenty thousand, five hundred one".