13090738 has 8 divisors (see below), whose sum is σ = 19651500. Its totient is φ = 6540240.

The previous prime is 13090729. The next prime is 13090757. The reversal of 13090738 is 83709031.

It can be written as a sum of positive squares in 2 ways, for example, as 8982009 + 4108729 = 2997^2 + 2027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3388 + ... + 6136.

Almost surely, 2^13090738 is an apocalyptic number.

13090738 is a deficient number, since it is larger than the sum of its proper divisors (6560762).

13090738 is a wasteful number, since it uses less digits than its factorization.

13090738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 13090738 is about 3618.1124913413. The cubic root of 13090738 is about 235.6792660205.

Adding to 13090738 its reverse (83709031), we get a palindrome (96799769).

The spelling of 13090738 in words is "thirteen million, ninety thousand, seven hundred thirty-eight".