10687405 has 24 divisors (see below), whose sum is σ = 14045184. Its totient is φ = 7797600.

The previous prime is 10687381. The next prime is 10687409. The reversal of 10687405 is 50478601.

10687405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10687405 - 2⁷ = 10687277 is a prime.

It is a super-2 number, since 2×10687405² = 228441251268050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10687409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55860 + ... + 56050.

It is an arithmetic number, because the mean of its divisors is an integer number (585216).

Almost surely, 2^10687405 is an apocalyptic number.

It is an amenable number.

10687405 is a deficient number, since it is larger than the sum of its proper divisors (3357779).

10687405 is a wasteful number, since it uses less digits than its factorization.

10687405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 10687405 is about 3269.1596779601. The cubic root of 10687405 is about 220.2710502139.

The spelling of 10687405 in words is "ten million, six hundred eighty-seven thousand, four hundred five".