11747251 has 2 divisors, whose sum is σ = 11747252. Its totient is φ = 11747250.

The previous prime is 11747243. The next prime is 11747261. The reversal of 11747251 is 15274711.

It is a weak prime.

It is an emirp because it is prime and its reverse (15274711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11747251 - 2³ = 11747243 is a prime.

It is equal to p₇₇₂₅₂₅ and since 11747251 and 772525 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11747231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5873625 + 5873626.

It is an arithmetic number, because the mean of its divisors is an integer number (5873626).

Almost surely, 2^11747251 is an apocalyptic number.

11747251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11747251 is an equidigital number, since it uses as much as digits as its factorization.

11747251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1960, while the sum is 28.

The square root of 11747251 is about 3427.4262938829. The cubic root of 11747251 is about 227.3240663705.

The spelling of 11747251 in words is "eleven million, seven hundred forty-seven thousand, two hundred fifty-one".