12819616 has 24 divisors (see below), whose sum is σ = 26054784. Its totient is φ = 6202560.

The previous prime is 12819613. The next prime is 12819619. The reversal of 12819616 is 61691821.

12819616 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (12819613) and next prime (12819619).

It is not an unprimeable number, because it can be changed into a prime (12819613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5470 + ... + 7453.

It is an arithmetic number, because the mean of its divisors is an integer number (1085616).

Almost surely, 2^12819616 is an apocalyptic number.

12819616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12819616 is an abundant number, since it is smaller than the sum of its proper divisors (13235168).

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

12819616 is a wasteful number, since it uses less digits than its factorization.

12819616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964 (or 12956 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 12819616 is about 3580.4491338378. The cubic root of 12819616 is about 234.0408529252.

The spelling of 12819616 in words is "twelve million, eight hundred nineteen thousand, six hundred sixteen".