13361651 has 4 divisors (see below), whose sum is σ = 13792704. Its totient is φ = 12930600.

The previous prime is 13361639. The next prime is 13361669. The reversal of 13361651 is 15616331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15616331 = 37 ⋅422063.

It is a cyclic number.

It is not a de Polignac number, because 13361651 - 2⁶ = 13361587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13361651.

It is not an unprimeable number, because it can be changed into a prime (13361611) 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, 215480 + ... + 215541.

It is an arithmetic number, because the mean of its divisors is an integer number (3448176).

Almost surely, 2^13361651 is an apocalyptic number.

13361651 is a deficient number, since it is larger than the sum of its proper divisors (431053).

13361651 is an equidigital number, since it uses as much as digits as its factorization.

13361651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431052.

The product of its digits is 1620, while the sum is 26.

The square root of 13361651 is about 3655.3592162741. The cubic root of 13361651 is about 237.2939731277.

Adding to 13361651 its reverse (15616331), we get a palindrome (28977982).

The spelling of 13361651 in words is "thirteen million, three hundred sixty-one thousand, six hundred fifty-one".