13403047 has 8 divisors (see below), whose sum is σ = 15343776. Its totient is φ = 11468832.

The previous prime is 13403041. The next prime is 13403053. The reversal of 13403047 is 74030431.

It is a happy number.

13403047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13403041) and next prime (13403053).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13403047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403041) 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, 4173 + ... + 6649.

It is an arithmetic number, because the mean of its divisors is an integer number (1917972).

Almost surely, 2^13403047 is an apocalyptic number.

13403047 is a deficient number, since it is larger than the sum of its proper divisors (1940729).

13403047 is an equidigital number, since it uses as much as digits as its factorization.

13403047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 13403047 is about 3661.0172083726. The cubic root of 13403047 is about 237.5387755711.

Adding to 13403047 its reverse (74030431), we get a palindrome (87433478).

The spelling of 13403047 in words is "thirteen million, four hundred three thousand, forty-seven".