11954651 has 2 divisors, whose sum is σ = 11954652. Its totient is φ = 11954650.

The previous prime is 11954633. The next prime is 11954653. The reversal of 11954651 is 15645911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11954651 - 2¹⁸ = 11692507 is a prime.

Together with 11954653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11954653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5977325 + 5977326.

It is an arithmetic number, because the mean of its divisors is an integer number (5977326).

Almost surely, 2^11954651 is an apocalyptic number.

11954651 is a deficient number, since it is larger than the sum of its proper divisors (1).

11954651 is an equidigital number, since it uses as much as digits as its factorization.

11954651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 32.

The square root of 11954651 is about 3457.5498550274. The cubic root of 11954651 is about 228.6540864182.

The spelling of 11954651 in words is "eleven million, nine hundred fifty-four thousand, six hundred fifty-one".