11953471 has 2 divisors, whose sum is σ = 11953472. Its totient is φ = 11953470.

The previous prime is 11953457. The next prime is 11953477. The reversal of 11953471 is 17435911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11953471 - 2⁵ = 11953439 is a prime.

It is a super-3 number, since 3×11953471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11953477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5976735 + 5976736.

It is an arithmetic number, because the mean of its divisors is an integer number (5976736).

Almost surely, 2^11953471 is an apocalyptic number.

11953471 is a deficient number, since it is larger than the sum of its proper divisors (1).

11953471 is an equidigital number, since it uses as much as digits as its factorization.

11953471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 11953471 is about 3457.3792097483. The cubic root of 11953471 is about 228.6465629671.

The spelling of 11953471 in words is "eleven million, nine hundred fifty-three thousand, four hundred seventy-one".