36126815 has 4 divisors (see below), whose sum is σ = 43352184. Its totient is φ = 28901448.

The previous prime is 36126757. The next prime is 36126817. The reversal of 36126815 is 51862163.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 36126815 - 2¹⁶ = 36061279 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 (36126817) 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, 3612677 + ... + 3612686.

It is an arithmetic number, because the mean of its divisors is an integer number (10838046).

Almost surely, 2^36126815 is an apocalyptic number.

36126815 is a deficient number, since it is larger than the sum of its proper divisors (7225369).

36126815 is an equidigital number, since it uses as much as digits as its factorization.

36126815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225368.

The product of its digits is 8640, while the sum is 32.

The square root of 36126815 is about 6010.5586262842. The cubic root of 36126815 is about 330.5799870943.

Adding to 36126815 its reverse (51862163), we get a palindrome (87988978).

The spelling of 36126815 in words is "thirty-six million, one hundred twenty-six thousand, eight hundred fifteen".