13100537 has 4 divisors (see below), whose sum is σ = 13322640. Its totient is φ = 12878436.

The previous prime is 13100531. The next prime is 13100539. The reversal of 13100537 is 73500131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73500131 = 223 ⋅329597.

It is a cyclic number.

It is not a de Polignac number, because 13100537 - 2¹⁴ = 13084153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13100531) 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, 110963 + ... + 111080.

It is an arithmetic number, because the mean of its divisors is an integer number (3330660).

Almost surely, 2^13100537 is an apocalyptic number.

It is an amenable number.

13100537 is a deficient number, since it is larger than the sum of its proper divisors (222103).

13100537 is an equidigital number, since it uses as much as digits as its factorization.

13100537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222102.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 13100537 is about 3619.4663971365. The cubic root of 13100537 is about 235.7380568269.

Adding to 13100537 its reverse (73500131), we get a palindrome (86600668).

The spelling of 13100537 in words is "thirteen million, one hundred thousand, five hundred thirty-seven".