16412720 has 40 divisors (see below), whose sum is σ = 38393376. Its totient is φ = 6524928.

The previous prime is 16412717. The next prime is 16412723. The reversal of 16412720 is 2721461.

It is an interprime number because it is at equal distance from previous prime (16412717) and next prime (16412723).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (16412723) 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 7 ways as a sum of consecutive naturals, for example, 14909 + ... + 15971.

Almost surely, 2^16412720 is an apocalyptic number.

16412720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16412720 is an abundant number, since it is smaller than the sum of its proper divisors (21980656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16412720 is a wasteful number, since it uses less digits than its factorization.

16412720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 16412720 is about 4051.2615319182. The cubic root of 16412720 is about 254.1324871474.

The spelling of 16412720 in words is "sixteen million, four hundred twelve thousand, seven hundred twenty".