13242356 has 6 divisors (see below), whose sum is σ = 23174130. Its totient is φ = 6621176.

The previous prime is 13242347. The next prime is 13242367. The reversal of 13242356 is 65324231.

It can be written as a sum of positive squares in only one way, i.e., 12460900 + 781456 = 3530^2 + 884^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1655291 + ... + 1655298.

It is an arithmetic number, because the mean of its divisors is an integer number (3862355).

Almost surely, 2^13242356 is an apocalyptic number.

It is an amenable number.

13242356 is a deficient number, since it is larger than the sum of its proper divisors (9931774).

13242356 is a wasteful number, since it uses less digits than its factorization.

13242356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310593 (or 3310591 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 13242356 is about 3639.0048090103. The cubic root of 13242356 is about 236.5856611834.

Adding to 13242356 its reverse (65324231), we get a palindrome (78566587).

The spelling of 13242356 in words is "thirteen million, two hundred forty-two thousand, three hundred fifty-six".