2813147 has 4 divisors (see below), whose sum is σ = 2889216. Its totient is φ = 2737080.

The previous prime is 2813141. The next prime is 2813149. The reversal of 2813147 is 7413182.

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 2813147 - 2⁴ = 2813131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2813141) 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, 37979 + ... + 38052.

It is an arithmetic number, because the mean of its divisors is an integer number (722304).

2^2813147 is an apocalyptic number.

2813147 is a deficient number, since it is larger than the sum of its proper divisors (76069).

2813147 is an equidigital number, since it uses as much as digits as its factorization.

2813147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76068.

The product of its digits is 1344, while the sum is 26.

The square root of 2813147 is about 1677.2438701632. The cubic root of 2813147 is about 141.1662275078.

The spelling of 2813147 in words is "two million, eight hundred thirteen thousand, one hundred forty-seven".