13261651 has 16 divisors (see below), whose sum is σ = 14896000. Its totient is φ = 11726208.

The previous prime is 13261631. The next prime is 13261667. The reversal of 13261651 is 15616231.

It is not a de Polignac number, because 13261651 - 2¹³ = 13253459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13261621) 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, 37825 + ... + 38173.

It is an arithmetic number, because the mean of its divisors is an integer number (931000).

Almost surely, 2^13261651 is an apocalyptic number.

13261651 is a deficient number, since it is larger than the sum of its proper divisors (1634349).

13261651 is a wasteful number, since it uses less digits than its factorization.

13261651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its digits is 1080, while the sum is 25.

The square root of 13261651 is about 3641.6549809118. The cubic root of 13261651 is about 236.7005124730.

Adding to 13261651 its reverse (15616231), we get a palindrome (28877882).

The spelling of 13261651 in words is "thirteen million, two hundred sixty-one thousand, six hundred fifty-one".