13361501 has 4 divisors (see below), whose sum is σ = 13580604. Its totient is φ = 13142400.

The previous prime is 13361497. The next prime is 13361521. The reversal of 13361501 is 10516331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2464900 + 10896601 = 1570^2 + 3301^2 .

It is a cyclic number.

It is not a de Polignac number, because 13361501 - 2² = 13361497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13361521) 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, 109460 + ... + 109581.

It is an arithmetic number, because the mean of its divisors is an integer number (3395151).

Almost surely, 2^13361501 is an apocalyptic number.

It is an amenable number.

13361501 is a deficient number, since it is larger than the sum of its proper divisors (219103).

13361501 is an equidigital number, since it uses as much as digits as its factorization.

13361501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219102.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 13361501 is about 3655.3386983972. The cubic root of 13361501 is about 237.2930851579.

Adding to 13361501 its reverse (10516331), we get a palindrome (23877832).

The spelling of 13361501 in words is "thirteen million, three hundred sixty-one thousand, five hundred one".