13040458 has 16 divisors (see below), whose sum is σ = 20121480. Its totient is φ = 6336000.

The previous prime is 13040449. The next prime is 13040483. The reversal of 13040458 is 85404031.

It can be written as a sum of positive squares in 4 ways, for example, as 1432809 + 11607649 = 1197^2 + 3407^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10258 + ... + 11458.

Almost surely, 2^13040458 is an apocalyptic number.

13040458 is a deficient number, since it is larger than the sum of its proper divisors (7081022).

13040458 is a wasteful number, since it uses less digits than its factorization.

13040458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13040458 is about 3611.1574321815. The cubic root of 13040458 is about 235.3771400089.

Adding to 13040458 its reverse (85404031), we get a palindrome (98444489).

The spelling of 13040458 in words is "thirteen million, forty thousand, four hundred fifty-eight".