13045724 has 12 divisors (see below), whose sum is σ = 23066064. Its totient is φ = 6455424.

The previous prime is 13045717. The next prime is 13045729. The reversal of 13045724 is 42754031.

It is a junction number, because it is equal to n+sod(n) for n = 13045693 and 13045702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045729) 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, 16424 + ... + 17199.

It is an arithmetic number, because the mean of its divisors is an integer number (1922172).

Almost surely, 2^13045724 is an apocalyptic number.

It is an amenable number.

13045724 is a deficient number, since it is larger than the sum of its proper divisors (10020340).

13045724 is a wasteful number, since it uses less digits than its factorization.

13045724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33724 (or 33722 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 13045724 is about 3611.8864876959. The cubic root of 13045724 is about 235.4088190908.

Adding to 13045724 its reverse (42754031), we get a palindrome (55799755).

It can be divided in two parts, 130 and 45724, that added together give a palindrome (45854).

The spelling of 13045724 in words is "thirteen million, forty-five thousand, seven hundred twenty-four".