213001396 has 12 divisors (see below), whose sum is σ = 381844260. Its totient is φ = 103903040.

The previous prime is 213001379. The next prime is 213001423. The reversal of 213001396 is 693100312.

It can be written as a sum of positive squares in 2 ways, for example, as 7365796 + 205635600 = 2714^2 + 14340^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213001396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649231 + ... + 649558.

It is an arithmetic number, because the mean of its divisors is an integer number (31820355).

Almost surely, 2^213001396 is an apocalyptic number.

It is an amenable number.

213001396 is a deficient number, since it is larger than the sum of its proper divisors (168842864).

213001396 is a wasteful number, since it uses less digits than its factorization.

213001396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298834 (or 1298832 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 213001396 is about 14594.5673454200. The cubic root of 213001396 is about 597.2105666811.

The spelling of 213001396 in words is "two hundred thirteen million, one thousand, three hundred ninety-six".