11954539 has 2 divisors, whose sum is σ = 11954540. Its totient is φ = 11954538.

The previous prime is 11954533. The next prime is 11954557. The reversal of 11954539 is 93545911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11954539 - 2¹⁷ = 11823467 is a prime.

It is a super-2 number, since 2×11954539² = 285822005405042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11954498 and 11954507.

It is not a weakly prime, because it can be changed into another prime (11954533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5977269 + 5977270.

It is an arithmetic number, because the mean of its divisors is an integer number (5977270).

Almost surely, 2^11954539 is an apocalyptic number.

11954539 is a deficient number, since it is larger than the sum of its proper divisors (1).

11954539 is an equidigital number, since it uses as much as digits as its factorization.

11954539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 37.

The square root of 11954539 is about 3457.5336585491. The cubic root of 11954539 is about 228.6533723492.

The spelling of 11954539 in words is "eleven million, nine hundred fifty-four thousand, five hundred thirty-nine".