12819954 has 16 divisors (see below), whose sum is σ = 29302848. Its totient is φ = 3662832.

The previous prime is 12819953. The next prime is 12819959. The reversal of 12819954 is 45991821.

It is not an unprimeable number, because it can be changed into a prime (12819953) 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, 152577 + ... + 152660.

It is an arithmetic number, because the mean of its divisors is an integer number (1831428).

Almost surely, 2^12819954 is an apocalyptic number.

12819954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12819954 is an abundant number, since it is smaller than the sum of its proper divisors (16482894).

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

12819954 is a wasteful number, since it uses less digits than its factorization.

12819954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305249.

The product of its digits is 25920, while the sum is 39.

The square root of 12819954 is about 3580.4963343090. The cubic root of 12819954 is about 234.0429098020.

The spelling of 12819954 in words is "twelve million, eight hundred nineteen thousand, nine hundred fifty-four".