6690413 has 12 divisors (see below), whose sum is σ = 7242048. Its totient is φ = 6176520.

The previous prime is 6690379. The next prime is 6690427. The reversal of 6690413 is 3140966.

6690413 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6690413 - 2¹⁴ = 6674029 is a prime.

It is a super-2 number, since 2×6690413² = 89523252221138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15308 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (603504).

Almost surely, 2^6690413 is an apocalyptic number.

It is an amenable number.

6690413 is a deficient number, since it is larger than the sum of its proper divisors (551635).

6690413 is a wasteful number, since it uses less digits than its factorization.

6690413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 6690413 is about 2586.5832675559. The cubic root of 6690413 is about 188.4304025326.

The spelling of 6690413 in words is "six million, six hundred ninety thousand, four hundred thirteen".