16813407 has 16 divisors (see below), whose sum is σ = 24554880. Its totient is φ = 10169952.

The previous prime is 16813399. The next prime is 16813453. The reversal of 16813407 is 70431861.

It is a happy number.

It is not a de Polignac number, because 16813407 - 2³ = 16813399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16813007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1353 + ... + 5954.

It is an arithmetic number, because the mean of its divisors is an integer number (1534680).

Almost surely, 2^16813407 is an apocalyptic number.

16813407 is a deficient number, since it is larger than the sum of its proper divisors (7741473).

16813407 is a wasteful number, since it uses less digits than its factorization.

16813407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7382.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 16813407 is about 4100.4154667546. The cubic root of 16813407 is about 256.1839447428.

The spelling of 16813407 in words is "sixteen million, eight hundred thirteen thousand, four hundred seven".