13752971 has 2 divisors, whose sum is σ = 13752972. Its totient is φ = 13752970.

The previous prime is 13752967. The next prime is 13752997. The reversal of 13752971 is 17925731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13752971 - 2² = 13752967 is a prime.

It is a super-2 number, since 2×13752971² = 378288422653682, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13752901) 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, 6876485 + 6876486.

It is an arithmetic number, because the mean of its divisors is an integer number (6876486).

Almost surely, 2^13752971 is an apocalyptic number.

13752971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13752971 is an equidigital number, since it uses as much as digits as its factorization.

13752971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 35.

The square root of 13752971 is about 3708.4998314682. The cubic root of 13752971 is about 239.5882465298.

The spelling of 13752971 in words is "thirteen million, seven hundred fifty-two thousand, nine hundred seventy-one".