13090436 has 6 divisors (see below), whose sum is σ = 22908270. Its totient is φ = 6545216.

The previous prime is 13090423. The next prime is 13090457. The reversal of 13090436 is 63409031.

It can be written as a sum of positive squares in only one way, i.e., 10048900 + 3041536 = 3170^2 + 1744^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636301 + ... + 1636308.

It is an arithmetic number, because the mean of its divisors is an integer number (3818045).

Almost surely, 2^13090436 is an apocalyptic number.

It is an amenable number.

13090436 is a deficient number, since it is larger than the sum of its proper divisors (9817834).

13090436 is a wasteful number, since it uses less digits than its factorization.

13090436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272613 (or 3272611 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13090436 is about 3618.0707566326. The cubic root of 13090436 is about 235.6774536530.

Adding to 13090436 its reverse (63409031), we get a palindrome (76499467).

The spelling of 13090436 in words is "thirteen million, ninety thousand, four hundred thirty-six".