13424045 has 4 divisors (see below), whose sum is σ = 16108860. Its totient is φ = 10739232.

The previous prime is 13424039. The next prime is 13424063. The reversal of 13424045 is 54042431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54042431 = 71 ⋅761161.

It can be written as a sum of positive squares in 2 ways, for example, as 6522916 + 6901129 = 2554^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 13424045 - 2⁶ = 13423981 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13424045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342400 + ... + 1342409.

It is an arithmetic number, because the mean of its divisors is an integer number (4027215).

Almost surely, 2^13424045 is an apocalyptic number.

It is an amenable number.

13424045 is a deficient number, since it is larger than the sum of its proper divisors (2684815).

13424045 is an equidigital number, since it uses as much as digits as its factorization.

13424045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684814.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 13424045 is about 3663.8838682469. The cubic root of 13424045 is about 237.6627582427.

Adding to 13424045 its reverse (54042431), we get a palindrome (67466476).

The spelling of 13424045 in words is "thirteen million, four hundred twenty-four thousand, forty-five".