13502001 has 4 divisors (see below), whose sum is σ = 18002672. Its totient is φ = 9001332.

The previous prime is 13501993. The next prime is 13502011. The reversal of 13502001 is 10020531.

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 not a de Polignac number, because 13502001 - 2³ = 13501993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13502011) 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, 2250331 + ... + 2250336.

It is an arithmetic number, because the mean of its divisors is an integer number (4500668).

Almost surely, 2^13502001 is an apocalyptic number.

It is an amenable number.

13502001 is a deficient number, since it is larger than the sum of its proper divisors (4500671).

13502001 is an equidigital number, since it uses as much as digits as its factorization.

13502001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500670.

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

The square root of 13502001 is about 3674.5069056950. The cubic root of 13502001 is about 238.1219216196.

Adding to 13502001 its reverse (10020531), we get a palindrome (23522532).

The spelling of 13502001 in words is "thirteen million, five hundred two thousand, one".