147212513 has 24 divisors (see below), whose sum is σ = 181177920. Its totient is φ = 119281680.

The previous prime is 147212477. The next prime is 147212531. The reversal of 147212513 is 315212741.

It is not a de Polignac number, because 147212513 - 2¹² = 147208417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147212543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319103 + ... + 319563.

It is an arithmetic number, because the mean of its divisors is an integer number (7549080).

Almost surely, 2^147212513 is an apocalyptic number.

It is an amenable number.

147212513 is a deficient number, since it is larger than the sum of its proper divisors (33965407).

147212513 is an frugal number, since it uses more digits than its factorization.

147212513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 487 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 147212513 is about 12133.1163762654. The cubic root of 147212513 is about 528.0174095595.

The spelling of 147212513 in words is "one hundred forty-seven million, two hundred twelve thousand, five hundred thirteen".