12719538 has 32 divisors (see below), whose sum is σ = 30441600. Its totient is φ = 3913488.

The previous prime is 12719533. The next prime is 12719549. The reversal of 12719538 is 83591721.

It is not an unprimeable number, because it can be changed into a prime (12719533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8358 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (951300).

Almost surely, 2^12719538 is an apocalyptic number.

12719538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12719538 is an abundant number, since it is smaller than the sum of its proper divisors (17722062).

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

12719538 is a wasteful number, since it uses less digits than its factorization.

12719538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143 (or 18137 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12719538 is about 3566.4461302535. The cubic root of 12719538 is about 233.4302377541.

The spelling of 12719538 in words is "twelve million, seven hundred nineteen thousand, five hundred thirty-eight".