213757412 has 24 divisors (see below), whose sum is σ = 410797632. Its totient is φ = 96516000.

The previous prime is 213757387. The next prime is 213757417. The reversal of 213757412 is 214757312.

It is not an unprimeable number, because it can be changed into a prime (213757417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9443 + ... + 22730.

It is an arithmetic number, because the mean of its divisors is an integer number (17116568).

Almost surely, 2^213757412 is an apocalyptic number.

213757412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213757412 is a deficient number, since it is larger than the sum of its proper divisors (197040220).

213757412 is a wasteful number, since it uses less digits than its factorization.

213757412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32339 (or 32337 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 213757412 is about 14620.4450000675. The cubic root of 213757412 is about 597.9163016753.

The spelling of 213757412 in words is "two hundred thirteen million, seven hundred fifty-seven thousand, four hundred twelve".