16212870 has 48 divisors (see below), whose sum is σ = 42468192. Its totient is φ = 4291200.

The previous prime is 16212869. The next prime is 16212877. The reversal of 16212870 is 7821261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16212877) 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, 12994 + ... + 14186.

It is an arithmetic number, because the mean of its divisors is an integer number (884754).

Almost surely, 2^16212870 is an apocalyptic number.

16212870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16212870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21234096).

16212870 is an abundant number, since it is smaller than the sum of its proper divisors (26255322).

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

16212870 is a wasteful number, since it uses less digits than its factorization.

16212870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 16212870 is about 4026.5208306924. The cubic root of 16212870 is about 253.0967878937.

The spelling of 16212870 in words is "sixteen million, two hundred twelve thousand, eight hundred seventy".