13246047 has 12 divisors (see below), whose sum is σ = 19219720. Its totient is φ = 8790768.

The previous prime is 13246039. The next prime is 13246061. The reversal of 13246047 is 74064231.

It is not a de Polignac number, because 13246047 - 2³ = 13246039 is a prime.

It is a super-2 number, since 2×13246047² = 350915522252418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13246047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13246027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1153 + ... + 5274.

Almost surely, 2^13246047 is an apocalyptic number.

13246047 is a deficient number, since it is larger than the sum of its proper divisors (5973673).

13246047 is a wasteful number, since it uses less digits than its factorization.

13246047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6662 (or 6659 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 13246047 is about 3639.5119178263. The cubic root of 13246047 is about 236.6076400658.

The spelling of 13246047 in words is "thirteen million, two hundred forty-six thousand, forty-seven".