13149112 has 8 divisors (see below), whose sum is σ = 24654600. Its totient is φ = 6574552.

The previous prime is 13149091. The next prime is 13149113. The reversal of 13149112 is 21194131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13149113) 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 as a sum of consecutive naturals, namely, 821812 + ... + 821827.

It is an arithmetic number, because the mean of its divisors is an integer number (3081825).

Almost surely, 2^13149112 is an apocalyptic number.

It is an amenable number.

13149112 is a deficient number, since it is larger than the sum of its proper divisors (11505488).

13149112 is a wasteful number, since it uses less digits than its factorization.

13149112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643645 (or 1643641 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

The square root of 13149112 is about 3626.1704317365. The cubic root of 13149112 is about 236.0290589517.

The spelling of 13149112 in words is "thirteen million, one hundred forty-nine thousand, one hundred twelve".