13047612 has 12 divisors (see below), whose sum is σ = 30444456. Its totient is φ = 4349200.

The previous prime is 13047611. The next prime is 13047637. The reversal of 13047612 is 21674031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543639 + ... + 543662.

It is an arithmetic number, because the mean of its divisors is an integer number (2537038).

Almost surely, 2^13047612 is an apocalyptic number.

13047612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13047612 is an abundant number, since it is smaller than the sum of its proper divisors (17396844).

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

13047612 is a wasteful number, since it uses less digits than its factorization.

13047612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087308 (or 1087306 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 13047612 is about 3612.1478375061. The cubic root of 13047612 is about 235.4201748018.

The spelling of 13047612 in words is "thirteen million, forty-seven thousand, six hundred twelve".