13723087 has 8 divisors (see below), whose sum is σ = 16004000. Its totient is φ = 11762352.

The previous prime is 13723081. The next prime is 13723091. The reversal of 13723087 is 78032731.

It is not a de Polignac number, because 13723087 - 2¹⁵ = 13690319 is a prime.

It is a Duffinian number.

13723087 is a modest number, since divided by 3087 gives 1372 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13723081) 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, 19662 + ... + 20347.

It is an arithmetic number, because the mean of its divisors is an integer number (2000500).

Almost surely, 2^13723087 is an apocalyptic number.

13723087 is a deficient number, since it is larger than the sum of its proper divisors (2280913).

13723087 is an frugal number, since it uses more digits than its factorization.

13723087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40030 (or 40016 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 13723087 is about 3704.4685178849. The cubic root of 13723087 is about 239.4145859357.

It can be divided in two parts, 1372 and 3087, that multiplied together give a square (4235364 = 2058²).

The spelling of 13723087 in words is "thirteen million, seven hundred twenty-three thousand, eighty-seven".