13023501 has 4 divisors (see below), whose sum is σ = 17364672. Its totient is φ = 8682332.

The previous prime is 13023499. The next prime is 13023509. The reversal of 13023501 is 10532031.

It is a happy number.

13023501 is digitally balanced in base 2 and base 4, because in such bases 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 13023501 - 2¹ = 13023499 is a prime.

It is a super-2 number, since 2×13023501² = 339223156594002, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023509) 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, 2170581 + ... + 2170586.

It is an arithmetic number, because the mean of its divisors is an integer number (4341168).

Almost surely, 2^13023501 is an apocalyptic number.

It is an amenable number.

13023501 is a deficient number, since it is larger than the sum of its proper divisors (4341171).

13023501 is an equidigital number, since it uses as much as digits as its factorization.

13023501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341170.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13023501 is about 3608.8088062406. The cubic root of 13023501 is about 235.2750724940.

Adding to 13023501 its reverse (10532031), we get a palindrome (23555532).

The spelling of 13023501 in words is "thirteen million, twenty-three thousand, five hundred one".