11961007 has 2 divisors, whose sum is σ = 11961008. Its totient is φ = 11961006.

The previous prime is 11960999. The next prime is 11961029. The reversal of 11961007 is 70016911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11961007 - 2³ = 11960999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11961067) 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, 5980503 + 5980504.

It is an arithmetic number, because the mean of its divisors is an integer number (5980504).

Almost surely, 2^11961007 is an apocalyptic number.

11961007 is a deficient number, since it is larger than the sum of its proper divisors (1).

11961007 is an equidigital number, since it uses as much as digits as its factorization.

11961007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 11961007 is about 3458.4688808778. The cubic root of 11961007 is about 228.6946025288.

Adding to 11961007 its reverse (70016911), we get a palindrome (81977918).

The spelling of 11961007 in words is "eleven million, nine hundred sixty-one thousand, seven".