213974712 has 96 divisors (see below), whose sum is σ = 664466400. Its totient is φ = 60936192.

The previous prime is 213974707. The next prime is 213974723. The reversal of 213974712 is 217479312.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229864 + ... + 230792.

It is an arithmetic number, because the mean of its divisors is an integer number (6921525).

Almost surely, 2^213974712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213974712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332233200).

213974712 is an abundant number, since it is smaller than the sum of its proper divisors (450491688).

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

213974712 is a wasteful number, since it uses less digits than its factorization.

213974712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1398 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 213974712 is about 14627.8744867462. The cubic root of 213974712 is about 598.1188415688.

The spelling of 213974712 in words is "two hundred thirteen million, nine hundred seventy-four thousand, seven hundred twelve".