213601912 has 8 divisors (see below), whose sum is σ = 400503600. Its totient is φ = 106800952.

The previous prime is 213601909. The next prime is 213601937. The reversal of 213601912 is 219106312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13350112 + ... + 13350127.

It is an arithmetic number, because the mean of its divisors is an integer number (50062950).

Almost surely, 2^213601912 is an apocalyptic number.

It is an amenable number.

213601912 is a deficient number, since it is larger than the sum of its proper divisors (186901688).

213601912 is a wasteful number, since it uses less digits than its factorization.

213601912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26700245 (or 26700241 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 213601912 is about 14615.1261369856. The cubic root of 213601912 is about 597.7712797420.

The spelling of 213601912 in words is "two hundred thirteen million, six hundred one thousand, nine hundred twelve".