13752491 has 2 divisors, whose sum is σ = 13752492. Its totient is φ = 13752490.

The previous prime is 13752481. The next prime is 13752503. The reversal of 13752491 is 19425731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13752491 - 2¹⁰ = 13751467 is a prime.

It is not a weakly prime, because it can be changed into another prime (13752451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6876245 + 6876246.

It is an arithmetic number, because the mean of its divisors is an integer number (6876246).

Almost surely, 2^13752491 is an apocalyptic number.

13752491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13752491 is an equidigital number, since it uses as much as digits as its factorization.

13752491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 13752491 is about 3708.4351147081. The cubic root of 13752491 is about 239.5854591637.

The spelling of 13752491 in words is "thirteen million, seven hundred fifty-two thousand, four hundred ninety-one".