12919149 has 16 divisors (see below), whose sum is σ = 19195200. Its totient is φ = 8587728.

The previous prime is 12919117. The next prime is 12919163. The reversal of 12919149 is 94191921.

It is not a de Polignac number, because 12919149 - 2⁵ = 12919117 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12919189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16327 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (1199700).

Almost surely, 2^12919149 is an apocalyptic number.

It is an amenable number.

12919149 is a deficient number, since it is larger than the sum of its proper divisors (6276051).

12919149 is an equidigital number, since it uses as much as digits as its factorization.

12919149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1395 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 12919149 is about 3594.3217719063. The cubic root of 12919149 is about 234.6449989230.

It can be divided in two parts, 1291 and 9149, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 12919149 in words is "twelve million, nine hundred nineteen thousand, one hundred forty-nine".