13540722 has 16 divisors (see below), whose sum is σ = 29164800. Its totient is φ = 4166352.

The previous prime is 13540717. The next prime is 13540729. The reversal of 13540722 is 22704531.

It is a junction number, because it is equal to n+sod(n) for n = 13540692 and 13540701.

It is not an unprimeable number, because it can be changed into a prime (13540729) 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, 86722 + ... + 86877.

It is an arithmetic number, because the mean of its divisors is an integer number (1822800).

Almost surely, 2^13540722 is an apocalyptic number.

13540722 is an abundant number, since it is smaller than the sum of its proper divisors (15624078).

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

13540722 is a wasteful number, since it uses less digits than its factorization.

13540722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173617.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13540722 is about 3679.7720038068. The cubic root of 13540722 is about 238.3493328243.

The spelling of 13540722 in words is "thirteen million, five hundred forty thousand, seven hundred twenty-two".