12928154 has 12 divisors (see below), whose sum is σ = 19677726. Its totient is φ = 6370272.

The previous prime is 12928141. The next prime is 12928183. The reversal of 12928154 is 45182921.

It can be written as a sum of positive squares in 3 ways, for example, as 8614225 + 4313929 = 2935^2 + 2077^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12928154.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10052 + ... + 11264.

Almost surely, 2^12928154 is an apocalyptic number.

12928154 is a deficient number, since it is larger than the sum of its proper divisors (6749572).

12928154 is an equidigital number, since it uses as much as digits as its factorization.

12928154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1288 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 12928154 is about 3595.5742239592. The cubic root of 12928154 is about 234.6995042539.

The spelling of 12928154 in words is "twelve million, nine hundred twenty-eight thousand, one hundred fifty-four".