11949355 has 12 divisors (see below), whose sum is σ = 15762096. Its totient is φ = 8690000.

The previous prime is 11949349. The next prime is 11949359. The reversal of 11949355 is 55394911.

It is a happy number.

It is not a de Polignac number, because 11949355 - 2⁹ = 11948843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11949359) 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 in 11 ways as a sum of consecutive naturals, for example, 9271 + ... + 10480.

It is an arithmetic number, because the mean of its divisors is an integer number (1313508).

Almost surely, 2^11949355 is an apocalyptic number.

11949355 is a deficient number, since it is larger than the sum of its proper divisors (3812741).

11949355 is a wasteful number, since it uses less digits than its factorization.

11949355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19778 (or 19767 counting only the distinct ones).

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

The square root of 11949355 is about 3456.7839099371. The cubic root of 11949355 is about 228.6203162729.

The spelling of 11949355 in words is "eleven million, nine hundred forty-nine thousand, three hundred fifty-five".