13242911 has 4 divisors (see below), whose sum is σ = 14446824. Its totient is φ = 12039000.

The previous prime is 13242907. The next prime is 13242923. The reversal of 13242911 is 11924231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13242911 - 2² = 13242907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601940 + ... + 601961.

It is an arithmetic number, because the mean of its divisors is an integer number (3611706).

Almost surely, 2^13242911 is an apocalyptic number.

13242911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13242911 is a deficient number, since it is larger than the sum of its proper divisors (1203913).

13242911 is a wasteful number, since it uses less digits than its factorization.

13242911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203912.

The product of its digits is 432, while the sum is 23.

The square root of 13242911 is about 3639.0810653240. The cubic root of 13242911 is about 236.5889663155.

The spelling of 13242911 in words is "thirteen million, two hundred forty-two thousand, nine hundred eleven".