12915234 has 16 divisors (see below), whose sum is σ = 28700640. Its totient is φ = 4305060.

The previous prime is 12915209. The next prime is 12915239. The reversal of 12915234 is 43251921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12915198 and 12915207.

It is not an unprimeable number, because it can be changed into a prime (12915239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119532 + ... + 119639.

It is an arithmetic number, because the mean of its divisors is an integer number (1793790).

Almost surely, 2^12915234 is an apocalyptic number.

12915234 is an abundant number, since it is smaller than the sum of its proper divisors (15785406).

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

12915234 is a wasteful number, since it uses less digits than its factorization.

12915234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239182 (or 239176 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12915234 is about 3593.7771216368. Note that the first 3 decimals coincide. The cubic root of 12915234 is about 234.6212943694.

The spelling of 12915234 in words is "twelve million, nine hundred fifteen thousand, two hundred thirty-four".