13293247 has 8 divisors (see below), whose sum is σ = 14609232. Its totient is φ = 11995200.

The previous prime is 13293239. The next prime is 13293257. The reversal of 13293247 is 74239231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13293247 - 2³ = 13293239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13293257) 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, 2904 + ... + 5917.

It is an arithmetic number, because the mean of its divisors is an integer number (1826154).

Almost surely, 2^13293247 is an apocalyptic number.

13293247 is a deficient number, since it is larger than the sum of its proper divisors (1315985).

13293247 is a wasteful number, since it uses less digits than its factorization.

13293247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969.

The product of its digits is 9072, while the sum is 31.

The square root of 13293247 is about 3645.9905375631. The cubic root of 13293247 is about 236.8883437321. Note that the first 3 decimals are identical.

The spelling of 13293247 in words is "thirteen million, two hundred ninety-three thousand, two hundred forty-seven".