13041745 has 4 divisors (see below), whose sum is σ = 15650100. Its totient is φ = 10433392.

The previous prime is 13041683. The next prime is 13041767. The reversal of 13041745 is 54714031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54714031 = 239 ⋅228929.

It can be written as a sum of positive squares in 2 ways, for example, as 8059921 + 4981824 = 2839^2 + 2232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13041745 is a prime.

It is a super-2 number, since 2×13041745² = 340174225290050, which contains 22 as substring.

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, 1304170 + ... + 1304179.

It is an arithmetic number, because the mean of its divisors is an integer number (3912525).

Almost surely, 2^13041745 is an apocalyptic number.

It is an amenable number.

13041745 is a deficient number, since it is larger than the sum of its proper divisors (2608355).

13041745 is an equidigital number, since it uses as much as digits as its factorization.

13041745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608354.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 13041745 is about 3611.3356254992. The cubic root of 13041745 is about 235.3848831013.

Adding to 13041745 its reverse (54714031), we get a palindrome (67755776).

The spelling of 13041745 in words is "thirteen million, forty-one thousand, seven hundred forty-five".