13432747 has 2 divisors, whose sum is σ = 13432748. Its totient is φ = 13432746.

The previous prime is 13432729. The next prime is 13432751. The reversal of 13432747 is 74723431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13432747 - 2¹¹ = 13430699 is a prime.

It is not a weakly prime, because it can be changed into another prime (13432777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6716373 + 6716374.

It is an arithmetic number, because the mean of its divisors is an integer number (6716374).

Almost surely, 2^13432747 is an apocalyptic number.

13432747 is a deficient number, since it is larger than the sum of its proper divisors (1).

13432747 is an equidigital number, since it uses as much as digits as its factorization.

13432747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 31.

The square root of 13432747 is about 3665.0712134964. The cubic root of 13432747 is about 237.7141013016.

It can be divided in two parts, 1343274 and 7, that added together give a square (1343281 = 1159²).

The spelling of 13432747 in words is "thirteen million, four hundred thirty-two thousand, seven hundred forty-seven".