97213412 has 12 divisors (see below), whose sum is σ = 180130860. Its totient is φ = 45747456.

The previous prime is 97213381. The next prime is 97213421. The reversal of 97213412 is 21431279.

It can be written as a sum of positive squares in 2 ways, for example, as 44302336 + 52911076 = 6656^2 + 7274^2 .

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, 714737 + ... + 714872.

It is an arithmetic number, because the mean of its divisors is an integer number (15010905).

Almost surely, 2^97213412 is an apocalyptic number.

It is an amenable number.

97213412 is a deficient number, since it is larger than the sum of its proper divisors (82917448).

97213412 is a wasteful number, since it uses less digits than its factorization.

97213412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429630 (or 1429628 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 97213412 is about 9859.6862019032. The cubic root of 97213412 is about 459.8068060810.

The spelling of 97213412 in words is "ninety-seven million, two hundred thirteen thousand, four hundred twelve".