13506432726 has 16 divisors (see below), whose sum is σ = 27014012784. Its totient is φ = 4501953024.

The previous prime is 13506432721. The next prime is 13506432763. The reversal of 13506432726 is 62723460531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506432721) 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, 224890 + ... + 278546.

It is an arithmetic number, because the mean of its divisors is an integer number (1688375799).

Almost surely, 2^13506432726 is an apocalyptic number.

13506432726 is an abundant number, since it is smaller than the sum of its proper divisors (13507580058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13506432726 is a wasteful number, since it uses less digits than its factorization.

13506432726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95615.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 13506432726 in words is "thirteen billion, five hundred six million, four hundred thirty-two thousand, seven hundred twenty-six".