13487722 has 8 divisors (see below), whose sum is σ = 20257056. Its totient is φ = 6735372.

The previous prime is 13487717. The next prime is 13487723. The reversal of 13487722 is 22778431.

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

It is not an unprimeable number, because it can be changed into a prime (13487723) 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, 2028 + ... + 5575.

It is an arithmetic number, because the mean of its divisors is an integer number (2532132).

Almost surely, 2^13487722 is an apocalyptic number.

13487722 is a deficient number, since it is larger than the sum of its proper divisors (6769334).

13487722 is an equidigital number, since it uses as much as digits as its factorization.

13487722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492.

The product of its digits is 18816, while the sum is 34.

The square root of 13487722 is about 3672.5634099359. The cubic root of 13487722 is about 238.0379503073.

The spelling of 13487722 in words is "thirteen million, four hundred eighty-seven thousand, seven hundred twenty-two".