13090437 has 16 divisors (see below), whose sum is σ = 19546560. Its totient is φ = 8658000.

The previous prime is 13090423. The next prime is 13090457. The reversal of 13090437 is 73409031.

It is not a de Polignac number, because 13090437 - 2⁴ = 13090421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 13090437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13090457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687 + ... + 5387.

It is an arithmetic number, because the mean of its divisors is an integer number (1221660).

Almost surely, 2^13090437 is an apocalyptic number.

It is an amenable number.

13090437 is a deficient number, since it is larger than the sum of its proper divisors (6456123).

13090437 is a wasteful number, since it uses less digits than its factorization.

13090437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841 (or 3835 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13090437 is about 3618.0708948278. The cubic root of 13090437 is about 235.6774596542.

Adding to 13090437 its reverse (73409031), we get a palindrome (86499468).

The spelling of 13090437 in words is "thirteen million, ninety thousand, four hundred thirty-seven".