13351747 has 2 divisors, whose sum is σ = 13351748. Its totient is φ = 13351746.

The previous prime is 13351733. The next prime is 13351757. The reversal of 13351747 is 74715331.

It is a strong prime.

It is an emirp because it is prime and its reverse (74715331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13351747 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13351757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6675873 + 6675874.

It is an arithmetic number, because the mean of its divisors is an integer number (6675874).

Almost surely, 2^13351747 is an apocalyptic number.

13351747 is a deficient number, since it is larger than the sum of its proper divisors (1).

13351747 is an equidigital number, since it uses as much as digits as its factorization.

13351747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 31.

The square root of 13351747 is about 3654.0042419242. The cubic root of 13351747 is about 237.2353291668.

Subtracting from 13351747 its sum of digits (31), we obtain a square (13351716 = 3654²).

The spelling of 13351747 in words is "thirteen million, three hundred fifty-one thousand, seven hundred forty-seven".