13055437 has 4 divisors (see below), whose sum is σ = 13301820. Its totient is φ = 12809056.

The previous prime is 13055431. The next prime is 13055447. The reversal of 13055437 is 73455031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7584516 + 5470921 = 2754^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 13055437 - 2¹⁹ = 12531149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123112 + ... + 123217.

It is an arithmetic number, because the mean of its divisors is an integer number (3325455).

Almost surely, 2^13055437 is an apocalyptic number.

It is an amenable number.

13055437 is a deficient number, since it is larger than the sum of its proper divisors (246383).

13055437 is an equidigital number, since it uses as much as digits as its factorization.

13055437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246382.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 13055437 is about 3613.2308257292. The cubic root of 13055437 is about 235.4672279771.

The spelling of 13055437 in words is "thirteen million, fifty-five thousand, four hundred thirty-seven".