10405047 has 4 divisors (see below), whose sum is σ = 13873400. Its totient is φ = 6936696.

The previous prime is 10405019. The next prime is 10405049. The reversal of 10405047 is 74050401.

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

It is not a de Polignac number, because 10405047 - 2²³ = 2016439 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 (10405049) 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, 1734172 + ... + 1734177.

It is an arithmetic number, because the mean of its divisors is an integer number (3468350).

Almost surely, 2^10405047 is an apocalyptic number.

10405047 is a deficient number, since it is larger than the sum of its proper divisors (3468353).

10405047 is an equidigital number, since it uses as much as digits as its factorization.

10405047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468352.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 10405047 is about 3225.6855085392. The cubic root of 10405047 is about 218.3138802602.

Adding to 10405047 its reverse (74050401), we get a palindrome (84455448).

The spelling of 10405047 in words is "ten million, four hundred five thousand, forty-seven".