147213912 has 16 divisors (see below), whose sum is σ = 368034840. Its totient is φ = 49071296.

The previous prime is 147213907. The next prime is 147213943. The reversal of 147213912 is 219312741.

It is a self number, because there is not a number n which added to its sum of digits gives 147213912.

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, 3066933 + ... + 3066980.

Almost surely, 2^147213912 is an apocalyptic number.

147213912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147213912 is an abundant number, since it is smaller than the sum of its proper divisors (220820928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147213912 is a wasteful number, since it uses less digits than its factorization.

147213912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133922 (or 6133918 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 147213912 is about 12133.1740282582. The cubic root of 147213912 is about 528.0190821845.

The spelling of 147213912 in words is "one hundred forty-seven million, two hundred thirteen thousand, nine hundred twelve".