212913737 has 8 divisors (see below), whose sum is σ = 229832640. Its totient is φ = 196633360.

The previous prime is 212913731. The next prime is 212913749. The reversal of 212913737 is 737319212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212913737 - 2¹⁴ = 212897353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212913697 and 212913706.

It is not an unprimeable number, because it can be changed into a prime (212913731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158939 + ... + 160272.

It is an arithmetic number, because the mean of its divisors is an integer number (28729080).

Almost surely, 2^212913737 is an apocalyptic number.

It is an amenable number.

212913737 is a deficient number, since it is larger than the sum of its proper divisors (16918903).

212913737 is a wasteful number, since it uses less digits than its factorization.

212913737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319263.

The product of its digits is 15876, while the sum is 35.

The square root of 212913737 is about 14591.5638983626. The cubic root of 212913737 is about 597.1286297154.

The spelling of 212913737 in words is "two hundred twelve million, nine hundred thirteen thousand, seven hundred thirty-seven".