7806413 has 4 divisors (see below), whose sum is σ = 7816380. Its totient is φ = 7796448.

The previous prime is 7806377. The next prime is 7806419. The reversal of 7806413 is 3146087.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3146087 = 7 ⋅449441.

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 3636649 = 2042^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 7806413 - 2⁸ = 7806157 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 (7806419) 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, 3698 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (1954095).

Almost surely, 2^7806413 is an apocalyptic number.

It is an amenable number.

7806413 is a deficient number, since it is larger than the sum of its proper divisors (9967).

7806413 is an equidigital number, since it uses as much as digits as its factorization.

7806413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9966.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 7806413 is about 2793.9958840342. The cubic root of 7806413 is about 198.3735847186.

The spelling of 7806413 in words is "seven million, eight hundred six thousand, four hundred thirteen".