11974387 has 2 divisors, whose sum is σ = 11974388. Its totient is φ = 11974386.

The previous prime is 11974379. The next prime is 11974397. The reversal of 11974387 is 78347911.

It is a weak prime.

It is an emirp because it is prime and its reverse (78347911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11974387 - 2³ = 11974379 is a prime.

It is equal to p₇₈₆₄₉₆ and since 11974387 and 786496 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 (11974367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987193 + 5987194.

It is an arithmetic number, because the mean of its divisors is an integer number (5987194).

Almost surely, 2^11974387 is an apocalyptic number.

11974387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11974387 is an equidigital number, since it uses as much as digits as its factorization.

11974387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 11974387 is about 3460.4027222276. The cubic root of 11974387 is about 228.7798460067.

The spelling of 11974387 in words is "eleven million, nine hundred seventy-four thousand, three hundred eighty-seven".