13242631 has 8 divisors (see below), whose sum is σ = 13651344. Its totient is φ = 12838080.

The previous prime is 13242629. The next prime is 13242637. The reversal of 13242631 is 13624231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13242631 - 2¹ = 13242629 is a prime.

It is a super-2 number, since 2×13242631² = 350734551604322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6160 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (1706418).

Almost surely, 2^13242631 is an apocalyptic number.

13242631 is a deficient number, since it is larger than the sum of its proper divisors (408713).

13242631 is a wasteful number, since it uses less digits than its factorization.

13242631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081.

The product of its digits is 864, while the sum is 22.

The square root of 13242631 is about 3639.0425938700. The cubic root of 13242631 is about 236.5872988730.

Adding to 13242631 its reverse (13624231), we get a palindrome (26866862).

The spelling of 13242631 in words is "thirteen million, two hundred forty-two thousand, six hundred thirty-one".