16412505 has 16 divisors (see below), whose sum is σ = 26901504. Its totient is φ = 8539520.

The previous prime is 16412491. The next prime is 16412507. The reversal of 16412505 is 50521461.

It is not a de Polignac number, because 16412505 - 2⁶ = 16412441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16412507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12729 + ... + 13958.

It is an arithmetic number, because the mean of its divisors is an integer number (1681344).

Almost surely, 2^16412505 is an apocalyptic number.

16412505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16412505 is a deficient number, since it is larger than the sum of its proper divisors (10488999).

16412505 is a wasteful number, since it uses less digits than its factorization.

16412505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26736.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 16412505 is about 4051.2349968868. The cubic root of 16412505 is about 254.1313774649.

Adding to 16412505 its reverse (50521461), we get a palindrome (66933966).

The spelling of 16412505 in words is "sixteen million, four hundred twelve thousand, five hundred five".