13735722 has 64 divisors (see below), whose sum is σ = 36900864. Its totient is φ = 3291840.

The previous prime is 13735693. The next prime is 13735723. The reversal of 13735722 is 22753731.

13735722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13735722² = 377340117722568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13735722.

It is not an unprimeable number, because it can be changed into a prime (13735723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4863 + ... + 7149.

It is an arithmetic number, because the mean of its divisors is an integer number (576576).

Almost surely, 2^13735722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13735722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18450432).

13735722 is an abundant number, since it is smaller than the sum of its proper divisors (23165142).

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

13735722 is a wasteful number, since it uses less digits than its factorization.

13735722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323.

The product of its digits is 8820, while the sum is 30.

The square root of 13735722 is about 3706.1734983673. The cubic root of 13735722 is about 239.4880406277.

Subtracting 13735722 from its reverse (22753731), we obtain a square (9018009 = 3003²).

The spelling of 13735722 in words is "thirteen million, seven hundred thirty-five thousand, seven hundred twenty-two".