13744807 has 2 divisors, whose sum is σ = 13744808. Its totient is φ = 13744806.

The previous prime is 13744793. The next prime is 13744813. The reversal of 13744807 is 70844731.

It is a strong prime.

It is an emirp because it is prime and its reverse (70844731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13744807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13744837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6872403 + 6872404.

It is an arithmetic number, because the mean of its divisors is an integer number (6872404).

Almost surely, 2^13744807 is an apocalyptic number.

13744807 is a deficient number, since it is larger than the sum of its proper divisors (1).

13744807 is an equidigital number, since it uses as much as digits as its factorization.

13744807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 13744807 is about 3707.3989534443. The cubic root of 13744807 is about 239.5408292454.

It can be divided in two parts, 137 and 44807, that added together give a palindrome (44944).

The spelling of 13744807 in words is "thirteen million, seven hundred forty-four thousand, eight hundred seven".